20374844 has 12 divisors (see below), whose sum is σ = 40749744. Its totient is φ = 8732064.

The previous prime is 20374813. The next prime is 20374853. The reversal of 20374844 is 44847302.

20374844 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20374844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363809 + ... + 363864.

It is an arithmetic number, because the mean of its divisors is an integer number (3395812).

Almost surely, 2^20374844 is an apocalyptic number.

It is an amenable number.

20374844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20374844 is a wasteful number, since it uses less digits than its factorization.

20374844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727684 (or 727682 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 20374844 is about 4513.8502412021. The cubic root of 20374844 is about 273.1270815000.

The spelling of 20374844 in words is "twenty million, three hundred seventy-four thousand, eight hundred forty-four".