20323210344 has 32 divisors (see below), whose sum is σ = 51071291520. Its totient is φ = 6739301376.

The previous prime is 20323210319. The next prime is 20323210381. The reversal of 20323210344 is 44301232302.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2189152 + ... + 2198415.

It is an arithmetic number, because the mean of its divisors is an integer number (1595977860).

Almost surely, 2^20323210344 is an apocalyptic number.

20323210344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20323210344 is an abundant number, since it is smaller than the sum of its proper divisors (30748081176).

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

20323210344 is a wasteful number, since it uses less digits than its factorization.

20323210344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387769 (or 4387765 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20323210344 its reverse (44301232302), we get a palindrome (64624442646).

The spelling of 20323210344 in words is "twenty billion, three hundred twenty-three million, two hundred ten thousand, three hundred forty-four".