20412431300400 has 120 divisors (see below), whose sum is σ = 66308777109504. Its totient is φ = 5366648582400.

The previous prime is 20412431300381. The next prime is 20412431300477. The reversal of 20412431300400 is 400313421402.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 119706064 + ... + 119876463.

Almost surely, 2^{20412431300400} is an apocalyptic number.

20412431300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412431300400 is an abundant number, since it is smaller than the sum of its proper divisors (45896345809104).

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

20412431300400 is a wasteful number, since it uses less digits than its factorization.

20412431300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239582619 (or 239582608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20412431300400 its reverse (400313421402), we get a palindrome (20812744721802).

The spelling of 20412431300400 in words is "twenty trillion, four hundred twelve billion, four hundred thirty-one million, three hundred thousand, four hundred".