20623632316400 has 60 divisors (see below), whose sum is σ = 49560833835912. Its totient is φ = 8247362238720.

The previous prime is 20623632316381. The next prime is 20623632316403. The reversal of 20623632316400 is 461323632602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623632316403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4952627 + ... + 8110226.

Almost surely, 2^{20623632316400} is an apocalyptic number.

20623632316400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20623632316400 is an abundant number, since it is smaller than the sum of its proper divisors (28937201519512).

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

20623632316400 is a wasteful number, since it uses less digits than its factorization.

20623632316400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066818 (or 13066807 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 20623632316400 in words is "twenty trillion, six hundred twenty-three billion, six hundred thirty-two million, three hundred sixteen thousand, four hundred".