20057522 has 24 divisors (see below), whose sum is σ = 31784016. Its totient is φ = 9485784.

The previous prime is 20057519. The next prime is 20057533. The reversal of 20057522 is 22575002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299333 + ... + 299399.

It is an arithmetic number, because the mean of its divisors is an integer number (1324334).

Almost surely, 2^20057522 is an apocalyptic number.

20057522 is a deficient number, since it is larger than the sum of its proper divisors (11726494).

20057522 is an equidigital number, since it uses as much as digits as its factorization.

20057522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 20057522 is about 4478.5624925862. The cubic root of 20057522 is about 271.7017437906.

The spelling of 20057522 in words is "twenty million, fifty-seven thousand, five hundred twenty-two".