20412320431320 has 192 divisors, whose sum is σ = 70080140239200. Its totient is φ = 5138444666880.

The previous prime is 20412320431303. The next prime is 20412320431333. The reversal of 20412320431320 is 2313402321402.

20412320431320 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 2 + 320 + 4 + 313 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3388027 + ... + 7232106.

Almost surely, 2^{20412320431320} is an apocalyptic number.

20412320431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412320431320 is an abundant number, since it is smaller than the sum of its proper divisors (49667819807880).

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

20412320431320 is a wasteful number, since it uses less digits than its factorization.

20412320431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10620450 (or 10620443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20412320431320 its reverse (2313402321402), we get a palindrome (22725722752722).

The spelling of 20412320431320 in words is "twenty trillion, four hundred twelve billion, three hundred twenty million, four hundred thirty-one thousand, three hundred twenty".