20017038837000 has 64 divisors (see below), whose sum is σ = 62453161180800. Its totient is φ = 5337877022400.

The previous prime is 20017038836987. The next prime is 20017038837007. The reversal of 20017038837000 is 73883071002.

It is a self number, because there is not a number n which added to its sum of digits gives 20017038837000.

It is not an unprimeable number, because it can be changed into a prime (20017038837007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336170140 + ... + 3336176139.

It is an arithmetic number, because the mean of its divisors is an integer number (975830643450).

Almost surely, 2^{20017038837000} is an apocalyptic number.

20017038837000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20017038837000 is an abundant number, since it is smaller than the sum of its proper divisors (42436122343800).

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

20017038837000 is a wasteful number, since it uses less digits than its factorization.

20017038837000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672346303 (or 6672346289 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20017038837000 in words is "twenty trillion, seventeen billion, thirty-eight million, eight hundred thirty-seven thousand".