20113023320 has 32 divisors (see below), whose sum is σ = 48735403920. Its totient is φ = 7426346880.

The previous prime is 20113023319. The next prime is 20113023373. The reversal of 20113023320 is 2332031102.

It is a congruent number.

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, 19338926 + ... + 19339965.

Almost surely, 2^20113023320 is an apocalyptic number.

20113023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113023320 is an abundant number, since it is smaller than the sum of its proper divisors (28622380600).

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

20113023320 is a wasteful number, since it uses less digits than its factorization.

20113023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38678915 (or 38678911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20113023320 its reverse (2332031102), we get a palindrome (22445054422).

The spelling of 20113023320 in words is "twenty billion, one hundred thirteen million, twenty-three thousand, three hundred twenty".