20971094396 has 48 divisors (see below), whose sum is σ = 45841969152. Its totient is φ = 8186054400.

The previous prime is 20971094363. The next prime is 20971094449. The reversal of 20971094396 is 69349017902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695840 + ... + 725351.

It is an arithmetic number, because the mean of its divisors is an integer number (955041024).

Almost surely, 2^20971094396 is an apocalyptic number.

It is an amenable number.

20971094396 is an abundant number, since it is smaller than the sum of its proper divisors (24870874756).

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

20971094396 is a wasteful number, since it uses less digits than its factorization.

20971094396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421250 (or 1421248 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 20971094396 in words is "twenty billion, nine hundred seventy-one million, ninety-four thousand, three hundred ninety-six".