20117553710252 has 24 divisors (see below), whose sum is σ = 36618802547712. Its totient is φ = 9659992539600.

The previous prime is 20117553710249. The next prime is 20117553710297. The reversal of 20117553710252 is 25201735571102.

It is a super-2 number, since 2×20117553710252² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619214048 + ... + 619246535.

It is an arithmetic number, because the mean of its divisors is an integer number (1525783439488).

Almost surely, 2^{20117553710252} is an apocalyptic number.

It is an amenable number.

20117553710252 is a deficient number, since it is larger than the sum of its proper divisors (16501248837460).

20117553710252 is a wasteful number, since it uses less digits than its factorization.

20117553710252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238460749 (or 1238460747 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 20117553710252 in words is "twenty trillion, one hundred seventeen billion, five hundred fifty-three million, seven hundred ten thousand, two hundred fifty-two".