20852932925 has 24 divisors (see below), whose sum is σ = 28273940352. Its totient is φ = 15130496000.

The previous prime is 20852932909. The next prime is 20852932927. The reversal of 20852932925 is 52923925802.

It is a happy number.

It is not a de Polignac number, because 20852932925 - 2⁴ = 20852932909 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20852932925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20852932927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30557 + ... + 206493.

It is an arithmetic number, because the mean of its divisors is an integer number (1178080848).

Almost surely, 2^20852932925 is an apocalyptic number.

20852932925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20852932925 is a deficient number, since it is larger than the sum of its proper divisors (7421007427).

20852932925 is a wasteful number, since it uses less digits than its factorization.

20852932925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176389 (or 176384 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 20852932925 in words is "twenty billion, eight hundred fifty-two million, nine hundred thirty-two thousand, nine hundred twenty-five".