20311310332 has 6 divisors (see below), whose sum is σ = 35544793088. Its totient is φ = 10155655164.

The previous prime is 20311310311. The next prime is 20311310347. The reversal of 20311310332 is 23301311302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538913788 + ... + 2538913795.

Almost surely, 2^20311310332 is an apocalyptic number.

It is an amenable number.

20311310332 is a deficient number, since it is larger than the sum of its proper divisors (15233482756).

20311310332 is a wasteful number, since it uses less digits than its factorization.

20311310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077827587 (or 5077827585 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20311310332 its reverse (23301311302), we get a palindrome (43612621634).

The spelling of 20311310332 in words is "twenty billion, three hundred eleven million, three hundred ten thousand, three hundred thirty-two".