20108948 has 24 divisors (see below), whose sum is σ = 36611400. Its totient is φ = 9652608.

The previous prime is 20108941. The next prime is 20108951. The reversal of 20108948 is 84980102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8832784 + 11276164 = 2972^2 + 3358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20108941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26186 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (1525475).

Almost surely, 2^20108948 is an apocalyptic number.

It is an amenable number.

20108948 is a deficient number, since it is larger than the sum of its proper divisors (16502452).

20108948 is a wasteful number, since it uses less digits than its factorization.

20108948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 20108948 is about 4484.3001683652. The cubic root of 20108948 is about 271.9337533303.

The spelling of 20108948 in words is "twenty million, one hundred eight thousand, nine hundred forty-eight".