20200764388820 has 48 divisors (see below), whose sum is σ = 42522790533888. Its totient is φ = 8061035189760.

The previous prime is 20200764388801. The next prime is 20200764388853. The reversal of 20200764388820 is 2888346700202.

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, 124683665 + ... + 124845575.

It is an arithmetic number, because the mean of its divisors is an integer number (885891469456).

Almost surely, 2^{20200764388820} is an apocalyptic number.

20200764388820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200764388820 is an abundant number, since it is smaller than the sum of its proper divisors (22322026145068).

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

20200764388820 is a wasteful number, since it uses less digits than its factorization.

20200764388820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176760 (or 176758 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 20200764388820 in words is "twenty trillion, two hundred billion, seven hundred sixty-four million, three hundred eighty-eight thousand, eight hundred twenty".