20848974 has 16 divisors (see below), whose sum is σ = 41979600. Its totient is φ = 6902720.

The previous prime is 20848963. The next prime is 20848991. The reversal of 20848974 is 47984802.

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, 10767 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (2623725).

Almost surely, 2^20848974 is an apocalyptic number.

20848974 is an abundant number, since it is smaller than the sum of its proper divisors (21130626).

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

20848974 is a wasteful number, since it uses less digits than its factorization.

20848974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23475.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 20848974 is about 4566.0676736115. The cubic root of 20848974 is about 275.2294459743.

The spelling of 20848974 in words is "twenty million, eight hundred forty-eight thousand, nine hundred seventy-four".