20067626964 has 96 divisors (see below), whose sum is σ = 58594701312. Its totient is φ = 5193072000.

The previous prime is 20067626959. The next prime is 20067626981. The reversal of 20067626964 is 46962676002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210334 + ... + 290474.

It is an arithmetic number, because the mean of its divisors is an integer number (610361472).

Almost surely, 2^20067626964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20067626964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29297350656).

20067626964 is an abundant number, since it is smaller than the sum of its proper divisors (38527074348).

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

20067626964 is a wasteful number, since it uses less digits than its factorization.

20067626964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80437 (or 80435 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 20067626964 in words is "twenty billion, sixty-seven million, six hundred twenty-six thousand, nine hundred sixty-four".