20192596956 has 144 divisors (see below), whose sum is σ = 58746688000. Its totient is φ = 5728703616.

The previous prime is 20192596951. The next prime is 20192596961. The reversal of 20192596956 is 65969529102.

It is an interprime number because it is at equal distance from previous prime (20192596951) and next prime (20192596961).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192596951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38608911 + ... + 38609433.

Almost surely, 2^20192596956 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 20192596956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29373344000).

20192596956 is an abundant number, since it is smaller than the sum of its proper divisors (38554091044).

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

20192596956 is a wasteful number, since it uses less digits than its factorization.

20192596956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 20192596956 in words is "twenty billion, one hundred ninety-two million, five hundred ninety-six thousand, nine hundred fifty-six".