20239986418900 has 36 divisors (see below), whose sum is σ = 46232390034880. Its totient is φ = 7669889589600.

The previous prime is 20239986418889. The next prime is 20239986418991. The reversal of 20239986418900 is 981468993202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5326310316 + ... + 5326314115.

Almost surely, 2^{20239986418900} is an apocalyptic number.

20239986418900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20239986418900 is an abundant number, since it is smaller than the sum of its proper divisors (25992403615980).

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

20239986418900 is a wasteful number, since it uses less digits than its factorization.

20239986418900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652624464 (or 10652624457 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 20239986418900 in words is "twenty trillion, two hundred thirty-nine billion, nine hundred eighty-six million, four hundred eighteen thousand, nine hundred".