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20122424121320 = 23514991279126237
BaseRepresentation
bin1001001001101000111011…
…11100010001011111101000
32122020200111100001020110022
410210310131330101133220
510114141211033340240
6110444040343540012
74144540266623243
oct444643574213750
978220440036408
1020122424121320
11645896590a404
12230ba3b15a608
13b2c6c8781001
144d7d0550225a
1524d66ca799b5
hex124d1df117e8

20122424121320 has 64 divisors (see below), whose sum is σ = 45310926960000. Its totient is φ = 8042664689920.

The previous prime is 20122424121301. The next prime is 20122424121347. The reversal of 20122424121320 is 2312142422102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122424121320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766935242 + ... + 766961478.

It is an arithmetic number, because the mean of its divisors is an integer number (707983233750).

Almost surely, 220122424121320 is an apocalyptic number.

20122424121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122424121320 is an abundant number, since it is smaller than the sum of its proper divisors (25188502838680).

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

20122424121320 is a wasteful number, since it uses less digits than its factorization.

20122424121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40538 (or 40534 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20122424121320 its reverse (2312142422102), we get a palindrome (22434566543422).

The spelling of 20122424121320 in words is "twenty trillion, one hundred twenty-two billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1499 2998 5996 7495 11992 12791 14990 25582 26237 29980 51164 52474 59960 63955 102328 104948 127910 131185 209896 255820 262370 511640 524740 1049480 19173709 38347418 39329263 76694836 78658526 95868545 153389672 157317052 191737090 196646315 314634104 335597467 383474180 393292630 671194934 766948360 786585260 1342389868 1573170520 1677987335 2684779736 3355974670 6711949340 13423898680 503060603033 1006121206066 2012242412132 2515303015165 4024484824264 5030606030330 10061212060660 20122424121320