20812364014500 has 144 divisors (see below), whose sum is σ = 67257439192944. Its totient is φ = 5414598720000.

The previous prime is 20812364014499. The next prime is 20812364014549. The reversal of 20812364014500 is 541046321802.

It is a happy number.

20812364014500 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 2 + 3 + 640 + 1 + 4 + 5 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8336478191616 + 12475885822884 = 2887296^2 + 3532122^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 56217571 + ... + 56586570.

It is an arithmetic number, because the mean of its divisors is an integer number (467065549951).

Almost surely, 2^{20812364014500} is an apocalyptic number.

20812364014500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20812364014500 is an abundant number, since it is smaller than the sum of its proper divisors (46445075178444).

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

20812364014500 is a wasteful number, since it uses less digits than its factorization.

20812364014500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112804207 (or 112804192 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 20812364014500 in words is "twenty trillion, eight hundred twelve billion, three hundred sixty-four million, fourteen thousand, five hundred".