20048164 has 12 divisors (see below), whose sum is σ = 36294300. Its totient is φ = 9678368.

The previous prime is 20048153. The next prime is 20048177. The reversal of 20048164 is 46184002.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 16080100 = 1992^2 + 4010^2 .

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 3 ways as a sum of consecutive naturals, for example, 86299 + ... + 86530.

It is an arithmetic number, because the mean of its divisors is an integer number (3024525).

Almost surely, 2^20048164 is an apocalyptic number.

It is an amenable number.

20048164 is a deficient number, since it is larger than the sum of its proper divisors (16246136).

20048164 is a wasteful number, since it uses less digits than its factorization.

20048164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172862 (or 172860 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20048164 is about 4477.5176158224. The cubic root of 20048164 is about 271.6594823314.

The spelling of 20048164 in words is "twenty million, forty-eight thousand, one hundred sixty-four".