20124111303400 has 96 divisors (see below), whose sum is σ = 51139734035040. Its totient is φ = 7319538927360.

The previous prime is 20124111303383. The next prime is 20124111303403. The reversal of 20124111303400 is 430311142102.

It is not an unprimeable number, because it can be changed into a prime (20124111303403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57587314 + ... + 57935713.

It is an arithmetic number, because the mean of its divisors is an integer number (532705562865).

Almost surely, 2^{20124111303400} is an apocalyptic number.

20124111303400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124111303400 is an abundant number, since it is smaller than the sum of its proper divisors (31015622731640).

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

20124111303400 is a wasteful number, since it uses less digits than its factorization.

20124111303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115523123 (or 115523114 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20124111303400 its reverse (430311142102), we get a palindrome (20554422445502).

The spelling of 20124111303400 in words is "twenty trillion, one hundred twenty-four billion, one hundred eleven million, three hundred three thousand, four hundred".