20212284756 has 24 divisors (see below), whose sum is σ = 47165842080. Its totient is φ = 6736879072.

The previous prime is 20212284737. The next prime is 20212284767. The reversal of 20212284756 is 65748221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101590 + ... + 225266.

It is an arithmetic number, because the mean of its divisors is an integer number (1965243420).

Almost surely, 2^20212284756 is an apocalyptic number.

It is an amenable number.

20212284756 is an abundant number, since it is smaller than the sum of its proper divisors (26953557324).

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

20212284756 is a wasteful number, since it uses less digits than its factorization.

20212284756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137303 (or 137301 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 20212284756 in words is "twenty billion, two hundred twelve million, two hundred eighty-four thousand, seven hundred fifty-six".