20152613761268 has 24 divisors (see below), whose sum is σ = 38737289613120. Its totient is φ = 9130932550080.

The previous prime is 20152613761237. The next prime is 20152613761277. The reversal of 20152613761268 is 86216731625102.

It is a super-2 number, since 2×20152613761268² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764475873 + ... + 5764479368.

It is an arithmetic number, because the mean of its divisors is an integer number (1614053733880).

Almost surely, 2^{20152613761268} is an apocalyptic number.

It is an amenable number.

20152613761268 is a deficient number, since it is larger than the sum of its proper divisors (18584675851852).

20152613761268 is a wasteful number, since it uses less digits than its factorization.

20152613761268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528955287 (or 11528955285 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 20152613761268 in words is "twenty trillion, one hundred fifty-two billion, six hundred thirteen million, seven hundred sixty-one thousand, two hundred sixty-eight".