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20235024520000 = 26541729757389
BaseRepresentation
bin1001001100111010101010…
…11100101101001101000000
32122122110010122120011012121
410212131111130231031000
510123012312234120000
6111011501505134024
74155634525335043
oct446352534551500
978573118504177
1020235024520000
1164a16978a7534
12232982492a314
13b3a201930454
144dd547bccc5a
1525155d0d0b1a
hex12675572d340

20235024520000 has 140 divisors (see below), whose sum is σ = 53127832354740. Its totient is φ = 7617891328000.

The previous prime is 20235024519971. The next prime is 20235024520057. The reversal of 20235024520000 is 2542053202.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 13559539499584 + 6675485020416 = 3682328^2 + 2583696^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14198695 + ... + 15558694.

Almost surely, 220235024520000 is an apocalyptic number.

20235024520000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20235024520000 is an abundant number, since it is smaller than the sum of its proper divisors (32892807834740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235024520000 is an equidigital number, since it uses as much as digits as its factorization.

20235024520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29757438 (or 29757413 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20235024520000 its reverse (2542053202), we get a palindrome (20237566573202).

The spelling of 20235024520000 in words is "twenty trillion, two hundred thirty-five billion, twenty-four million, five hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 136 160 170 200 250 272 320 340 400 425 500 544 625 680 800 850 1000 1088 1250 1360 1600 1700 2000 2125 2500 2720 3400 4000 4250 5000 5440 6800 8000 8500 10000 10625 13600 17000 20000 21250 27200 34000 40000 42500 68000 85000 136000 170000 340000 680000 29757389 59514778 119029556 148786945 238059112 297573890 476118224 505875613 595147780 743934725 952236448 1011751226 1190295560 1487869450 1904472896 2023502452 2380591120 2529378065 2975738900 3719673625 4047004904 4761182240 5058756130 5951477800 7439347250 8094009808 9522364480 10117512260 11902955600 12646890325 14878694500 16188019616 18598368125 20235024520 23805911200 25293780650 29757389000 32376039232 37196736250 40470049040 47611822400 50587561300 59514778000 63234451625 74393472500 80940098080 101175122600 119029556000 126468903250 148786945000 161880196160 202350245200 238059112000 252937806500 297573890000 316172258125 404700490400 505875613000 595147780000 632344516250 809400980800 1011751226000 1190295560000 1264689032500 2023502452000 2529378065000 4047004904000 5058756130000 10117512260000 20235024520000