20203012992 has 32 divisors (see below), whose sum is σ = 53664254280. Its totient is φ = 6734337536.

The previous prime is 20203012981. The next prime is 20203012997. The reversal of 20203012992 is 29921030202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203012997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26305623 + ... + 26306390.

Almost surely, 2^20203012992 is an apocalyptic number.

It is an amenable number.

20203012992 is an abundant number, since it is smaller than the sum of its proper divisors (33461241288).

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

20203012992 is an equidigital number, since it uses as much as digits as its factorization.

20203012992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52612030 (or 52612018 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 20203012992 in words is "twenty billion, two hundred three million, twelve thousand, nine hundred ninety-two".