20013322332 has 12 divisors (see below), whose sum is σ = 46697752136. Its totient is φ = 6671107440.

The previous prime is 20013322321. The next prime is 20013322361. The reversal of 20013322332 is 23322331002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20013322299 and 20013322308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833888419 + ... + 833888442.

Almost surely, 2^20013322332 is an apocalyptic number.

It is an amenable number.

20013322332 is an abundant number, since it is smaller than the sum of its proper divisors (26684429804).

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

20013322332 is a wasteful number, since it uses less digits than its factorization.

20013322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667776868 (or 1667776866 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20013322332 its reverse (23322331002), we get a palindrome (43335653334).

The spelling of 20013322332 in words is "twenty billion, thirteen million, three hundred twenty-two thousand, three hundred thirty-two".