20452038931500 has 192 divisors, whose sum is σ = 66352904497152. Its totient is φ = 4852579008000.

The previous prime is 20452038931463. The next prime is 20452038931507. The reversal of 20452038931500 is 513983025402.

It is not an unprimeable number, because it can be changed into a prime (20452038931507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12410857 + ... + 13961856.

It is an arithmetic number, because the mean of its divisors is an integer number (345588044256).

Almost surely, 2^{20452038931500} is an apocalyptic number.

20452038931500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20452038931500 is an abundant number, since it is smaller than the sum of its proper divisors (45900865565652).

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

20452038931500 is a wasteful number, since it uses less digits than its factorization.

20452038931500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26372793 (or 26372781 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20452038931500 in words is "twenty trillion, four hundred fifty-two billion, thirty-eight million, nine hundred thirty-one thousand, five hundred".