20772267796 has 12 divisors (see below), whose sum is σ = 41544535648. Its totient is φ = 8902400472.

The previous prime is 20772267787. The next prime is 20772267799. The reversal of 20772267796 is 69776227702.

20772267796 is an admirable number.

It is a hoax number, since the sum of its digits (55) 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 (20772267799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370933326 + ... + 370933381.

Almost surely, 2^20772267796 is an apocalyptic number.

It is an amenable number.

20772267796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20772267796 is a wasteful number, since it uses less digits than its factorization.

20772267796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741866718 (or 741866716 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 20772267796 in words is "twenty billion, seven hundred seventy-two million, two hundred sixty-seven thousand, seven hundred ninety-six".