20020956787000 has 128 divisors (see below), whose sum is σ = 50455403631360. Its totient is φ = 7391973427200.

The previous prime is 20020956786877. The next prime is 20020956787031. The reversal of 20020956787000 is 78765902002.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448646689 + ... + 448691311.

It is an arithmetic number, because the mean of its divisors is an integer number (394182840870).

Almost surely, 2^{20020956787000} is an apocalyptic number.

20020956787000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020956787000 is an abundant number, since it is smaller than the sum of its proper divisors (30434446844360).

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

20020956787000 is a wasteful number, since it uses less digits than its factorization.

20020956787000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79170 (or 79156 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 20020956787000 in words is "twenty trillion, twenty billion, nine hundred fifty-six million, seven hundred eighty-seven thousand".