20057948 has 12 divisors (see below), whose sum is σ = 35248752. Its totient is φ = 9986880.

The previous prime is 20057941. The next prime is 20057953. The reversal of 20057948 is 84975002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9440 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (2937396).

Almost surely, 2^20057948 is an apocalyptic number.

It is an amenable number.

20057948 is a deficient number, since it is larger than the sum of its proper divisors (15190804).

20057948 is a wasteful number, since it uses less digits than its factorization.

20057948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21052 (or 21050 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20057948 is about 4478.6100522372. The cubic root of 20057948 is about 271.7036673270.

The spelling of 20057948 in words is "twenty million, fifty-seven thousand, nine hundred forty-eight".