20323310032 has 10 divisors (see below), whose sum is σ = 39376413218. Its totient is φ = 10161655008.

The previous prime is 20323310027. The next prime is 20323310047. The reversal of 20323310032 is 23001332302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19147917376 + 1175392656 = 138376^2 + 34284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20323309991 and 20323310009.

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, 635103423 + ... + 635103454.

Almost surely, 2^20323310032 is an apocalyptic number.

It is an amenable number.

20323310032 is a deficient number, since it is larger than the sum of its proper divisors (19053103186).

20323310032 is a wasteful number, since it uses less digits than its factorization.

20323310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270206885 (or 1270206879 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20323310032 its reverse (23001332302), we get a palindrome (43324642334).

The spelling of 20323310032 in words is "twenty billion, three hundred twenty-three million, three hundred ten thousand, thirty-two".