20923958352 has 40 divisors (see below), whose sum is σ = 58967520480. Its totient is φ = 6340593280.

The previous prime is 20923958329. The next prime is 20923958357. The reversal of 20923958352 is 25385932902.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20923958357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19813827 + ... + 19814882.

It is an arithmetic number, because the mean of its divisors is an integer number (1474188012).

Almost surely, 2^20923958352 is an apocalyptic number.

20923958352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20923958352 is an abundant number, since it is smaller than the sum of its proper divisors (38043562128).

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

20923958352 is a wasteful number, since it uses less digits than its factorization.

20923958352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39628731 (or 39628725 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 20923958352 in words is "twenty billion, nine hundred twenty-three million, nine hundred fifty-eight thousand, three hundred fifty-two".