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20240031552 = 2631310180287
BaseRepresentation
bin10010110110011001…
…100101111101000000
31221020120012010122020
4102312121211331000
5312422422002202
613144222041440
71314365300226
oct226631457500
957216163566
1020240031552
118646a74304
123b0a419280
131ba7339c40
14da0128b16
157d6d815bc
hex4b6665f40

20240031552 has 112 divisors (see below), whose sum is σ = 58242842112. Its totient is φ = 6165964800.

The previous prime is 20240031551. The next prime is 20240031563. The reversal of 20240031552 is 25513004202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240031551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211953 + ... + 292239.

It is an arithmetic number, because the mean of its divisors is an integer number (520025376).

Almost surely, 220240031552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20240031552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29121421056).

20240031552 is an abundant number, since it is smaller than the sum of its proper divisors (38002810560).

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

20240031552 is a wasteful number, since it uses less digits than its factorization.

20240031552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80416 (or 80406 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20240031552 its reverse (25513004202), we get a palindrome (45753035754).

The spelling of 20240031552 in words is "twenty billion, two hundred forty million, thirty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 101 104 156 192 202 208 303 312 404 416 606 624 808 832 1212 1248 1313 1616 2424 2496 2626 3232 3939 4848 5252 6464 7878 9696 10504 15756 19392 21008 31512 42016 63024 80287 84032 126048 160574 240861 252096 321148 481722 642296 963444 1043731 1284592 1926888 2087462 2569184 3131193 3853776 4174924 5138368 6262386 7707552 8108987 8349848 12524772 15415104 16217974 16699696 24326961 25049544 32435948 33399392 48653922 50099088 64871896 66798784 97307844 100198176 105416831 129743792 194615688 200396352 210833662 259487584 316250493 389231376 421667324 518975168 632500986 778462752 843334648 1265001972 1556925504 1686669296 2530003944 3373338592 5060007888 6746677184 10120015776 20240031552