20823952112 has 20 divisors (see below), whose sum is σ = 40571811720. Its totient is φ = 10353807168.

The previous prime is 20823952109. The next prime is 20823952147. The reversal of 20823952112 is 21125932802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632603 + ... + 3638330.

It is an arithmetic number, because the mean of its divisors is an integer number (2028590586).

Almost surely, 2^20823952112 is an apocalyptic number.

It is an amenable number.

20823952112 is a deficient number, since it is larger than the sum of its proper divisors (19747859608).

20823952112 is a wasteful number, since it uses less digits than its factorization.

20823952112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271120 (or 7271114 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 20823952112 in words is "twenty billion, eight hundred twenty-three million, nine hundred fifty-two thousand, one hundred twelve".