20248974 has 16 divisors (see below), whose sum is σ = 44997840. Its totient is φ = 6749640.

The previous prime is 20248967. The next prime is 20248999. The reversal of 20248974 is 47984202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187437 + ... + 187544.

It is an arithmetic number, because the mean of its divisors is an integer number (2812365).

Almost surely, 2^20248974 is an apocalyptic number.

20248974 is an abundant number, since it is smaller than the sum of its proper divisors (24748866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20248974 is a wasteful number, since it uses less digits than its factorization.

20248974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374992 (or 374986 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20248974 is about 4499.8859985560. The cubic root of 20248974 is about 272.5634854749.

The spelling of 20248974 in words is "twenty million, two hundred forty-eight thousand, nine hundred seventy-four".