20212633064 has 32 divisors (see below), whose sum is σ = 41027696640. Its totient is φ = 9280056000.

The previous prime is 20212633039. The next prime is 20212633087. The reversal of 20212633064 is 46033621202.

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, 488912 + ... + 528639.

It is an arithmetic number, because the mean of its divisors is an integer number (1282115520).

Almost surely, 2^20212633064 is an apocalyptic number.

It is an amenable number.

20212633064 is an abundant number, since it is smaller than the sum of its proper divisors (20815063576).

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

20212633064 is a wasteful number, since it uses less digits than its factorization.

20212633064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017761 (or 1017757 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20212633064 in words is "twenty billion, two hundred twelve million, six hundred thirty-three thousand, sixty-four".