20306062456400 has 120 divisors (see below), whose sum is σ = 55758760121664. Its totient is φ = 6961564800000.

The previous prime is 20306062456391. The next prime is 20306062456441. The reversal of 20306062456400 is 465426060302.

It is a congruent number.

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, 38695775 + ... + 39217025.

Almost surely, 2^{20306062456400} is an apocalyptic number.

20306062456400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20306062456400 is an abundant number, since it is smaller than the sum of its proper divisors (35452697665264).

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

20306062456400 is a wasteful number, since it uses less digits than its factorization.

20306062456400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535189 (or 535178 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 20306062456400 in words is "twenty trillion, three hundred six billion, sixty-two million, four hundred fifty-six thousand, four hundred".