20235877720772 has 48 divisors (see below), whose sum is σ = 40723377222528. Its totient is φ = 8618700034560.

The previous prime is 20235877720753. The next prime is 20235877720843. The reversal of 20235877720772 is 27702777853202.

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 15 ways as a sum of consecutive naturals, for example, 2777543 + ... + 6941649.

It is an arithmetic number, because the mean of its divisors is an integer number (848403692136).

Almost surely, 2^{20235877720772} is an apocalyptic number.

It is an amenable number.

20235877720772 is an abundant number, since it is smaller than the sum of its proper divisors (20487499501756).

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

20235877720772 is a wasteful number, since it uses less digits than its factorization.

20235877720772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165196 (or 4165194 counting only the distinct ones).

The product of its (nonzero) digits is 32269440, while the sum is 59.

The spelling of 20235877720772 in words is "twenty trillion, two hundred thirty-five billion, eight hundred seventy-seven million, seven hundred twenty thousand, seven hundred seventy-two".