20087558032 has 10 divisors (see below), whose sum is σ = 38919643718. Its totient is φ = 10043779008.

The previous prime is 20087557991. The next prime is 20087558041. The reversal of 20087558032 is 23085578002.

It can be written as a sum of positive squares in only one way, i.e., 17401831056 + 2685726976 = 131916^2 + 51824^2 .

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 as a sum of consecutive naturals, namely, 627736173 + ... + 627736204.

Almost surely, 2^20087558032 is an apocalyptic number.

It is an amenable number.

20087558032 is a deficient number, since it is larger than the sum of its proper divisors (18832085686).

20087558032 is a wasteful number, since it uses less digits than its factorization.

20087558032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255472385 (or 1255472379 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 20087558032 in words is "twenty billion, eighty-seven million, five hundred fifty-eight thousand, thirty-two".