20152487952 has 60 divisors (see below), whose sum is σ = 56416389120. Its totient is φ = 6715422144.

The previous prime is 20152487917. The next prime is 20152487983. The reversal of 20152487952 is 25978425102.

20152487952 is a `hidden beast` number, since 2 + 0 + 1 + 524 + 8 + 79 + 52 = 666.

It is a super-2 number, since 2×20152487952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152487898 and 20152487907.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488049 + ... + 527727.

It is an arithmetic number, because the mean of its divisors is an integer number (940273152).

Almost surely, 2^20152487952 is an apocalyptic number.

It is an amenable number.

20152487952 is an abundant number, since it is smaller than the sum of its proper divisors (36263901168).

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

20152487952 is a wasteful number, since it uses less digits than its factorization.

20152487952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43220 (or 43211 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 20152487952 in words is "twenty billion, one hundred fifty-two million, four hundred eighty-seven thousand, nine hundred fifty-two".