20113123300 has 36 divisors (see below), whose sum is σ = 46212862500. Its totient is φ = 7571998720.

The previous prime is 20113123213. The next prime is 20113123343. The reversal of 20113123300 is 332131102.

It can be written as a sum of positive squares in 6 ways, for example, as 1970649664 + 18142473636 = 44392^2 + 134694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5913925 + ... + 5917324.

It is an arithmetic number, because the mean of its divisors is an integer number (1283690625).

Almost surely, 2^20113123300 is an apocalyptic number.

20113123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113123300 is an abundant number, since it is smaller than the sum of its proper divisors (26099739200).

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

20113123300 is a wasteful number, since it uses less digits than its factorization.

20113123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831280 (or 11831273 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20113123300 its reverse (332131102), we get a palindrome (20445254402).

The spelling of 20113123300 in words is "twenty billion, one hundred thirteen million, one hundred twenty-three thousand, three hundred".