20752187076 has 36 divisors (see below), whose sum is σ = 52461330012. Its totient is φ = 6916813824.

The previous prime is 20752187051. The next prime is 20752187083. The reversal of 20752187076 is 67078125702.

It can be written as a sum of positive squares in 2 ways, for example, as 2003457600 + 18748729476 = 44760^2 + 136926^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737620 + ... + 765236.

It is an arithmetic number, because the mean of its divisors is an integer number (1457259167).

Almost surely, 2^20752187076 is an apocalyptic number.

It is an amenable number.

20752187076 is an abundant number, since it is smaller than the sum of its proper divisors (31709142936).

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

20752187076 is a wasteful number, since it uses less digits than its factorization.

20752187076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48500 (or 48495 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 20752187076 in words is "twenty billion, seven hundred fifty-two million, one hundred eighty-seven thousand, seventy-six".