20675902187000 has 64 divisors (see below), whose sum is σ = 50485159483200. Its totient is φ = 7910779958400.

The previous prime is 20675902186999. The next prime is 20675902187027. The reversal of 20675902187000 is 78120957602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449453135 + ... + 449499134.

It is an arithmetic number, because the mean of its divisors is an integer number (788830616925).

Almost surely, 2^{20675902187000} is an apocalyptic number.

20675902187000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20675902187000 is an abundant number, since it is smaller than the sum of its proper divisors (29809257296200).

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

20675902187000 is a wasteful number, since it uses less digits than its factorization.

20675902187000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898952313 (or 898952299 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 20675902187000 in words is "twenty trillion, six hundred seventy-five billion, nine hundred two million, one hundred eighty-seven thousand".