20322000012 has 48 divisors (see below), whose sum is σ = 49974503040. Its totient is φ = 6409654272.

The previous prime is 20321999989. The next prime is 20322000029. The reversal of 20322000012 is 21000022302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134668 + ... + 242444.

It is an arithmetic number, because the mean of its divisors is an integer number (1041135480).

Almost surely, 2^20322000012 is an apocalyptic number.

It is an amenable number.

20322000012 is an abundant number, since it is smaller than the sum of its proper divisors (29652503028).

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

20322000012 is a wasteful number, since it uses less digits than its factorization.

20322000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108630 (or 108628 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20322000012 its reverse (21000022302), we get a palindrome (41322022314).

The spelling of 20322000012 in words is "twenty billion, three hundred twenty-two million, twelve", and thus it is an aban number.