20952437952 has 56 divisors (see below), whose sum is σ = 56788793712. Its totient is φ = 6813798400.

The previous prime is 20952437951. The next prime is 20952437963. The reversal of 20952437952 is 25973425902.

It is a super-2 number, since 2×20952437952² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20952437951) 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, 1322949 + ... + 1338692.

It is an arithmetic number, because the mean of its divisors is an integer number (1014085602).

Almost surely, 2^20952437952 is an apocalyptic number.

It is an amenable number.

20952437952 is an abundant number, since it is smaller than the sum of its proper divisors (35836355760).

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

20952437952 is a wasteful number, since it uses less digits than its factorization.

20952437952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661697 (or 2661687 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 20952437952 in words is "twenty billion, nine hundred fifty-two million, four hundred thirty-seven thousand, nine hundred fifty-two".