20255332 has 12 divisors (see below), whose sum is σ = 35845740. Its totient is φ = 10013696.

The previous prime is 20255329. The next prime is 20255371. The reversal of 20255332 is 23355202.

It can be written as a sum of positive squares in 2 ways, for example, as 1454436 + 18800896 = 1206^2 + 4336^2 .

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, 28093 + ... + 28804.

It is an arithmetic number, because the mean of its divisors is an integer number (2987145).

Almost surely, 2^20255332 is an apocalyptic number.

It is an amenable number.

20255332 is a deficient number, since it is larger than the sum of its proper divisors (15590408).

20255332 is a wasteful number, since it uses less digits than its factorization.

20255332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56990 (or 56988 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 20255332 is about 4500.5924054506. The cubic root of 20255332 is about 272.5920100032.

The spelling of 20255332 in words is "twenty million, two hundred fifty-five thousand, three hundred thirty-two".