20312763152 has 40 divisors (see below), whose sum is σ = 43126406400. Its totient is φ = 9191652480.

The previous prime is 20312763131. The next prime is 20312763187. The reversal of 20312763152 is 25136721302.

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, 219527 + ... + 298022.

It is an arithmetic number, because the mean of its divisors is an integer number (1078160160).

Almost surely, 2^20312763152 is an apocalyptic number.

20312763152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20312763152 is an abundant number, since it is smaller than the sum of its proper divisors (22813643248).

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

20312763152 is a wasteful number, since it uses less digits than its factorization.

20312763152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517791 (or 517785 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 20312763152 in words is "twenty billion, three hundred twelve million, seven hundred sixty-three thousand, one hundred fifty-two".