20265832 has 16 divisors (see below), whose sum is σ = 38116260. Its totient is φ = 10101504.

The previous prime is 20265823. The next prime is 20265859. The reversal of 20265832 is 23856202.

It can be written as a sum of positive squares in 2 ways, for example, as 19838116 + 427716 = 4454^2 + 654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20265832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063 + ... + 6454.

Almost surely, 2^20265832 is an apocalyptic number.

It is an amenable number.

20265832 is a deficient number, since it is larger than the sum of its proper divisors (17850428).

20265832 is a wasteful number, since it uses less digits than its factorization.

20265832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20265832 is about 4501.7587674152. The cubic root of 20265832 is about 272.6391041325.

The spelling of 20265832 in words is "twenty million, two hundred sixty-five thousand, eight hundred thirty-two".