20682774 has 24 divisors (see below), whose sum is σ = 51214800. Its totient is φ = 5909328.

The previous prime is 20682769. The next prime is 20682793. The reversal of 20682774 is 47728602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81949 + ... + 82200.

It is an arithmetic number, because the mean of its divisors is an integer number (2133950).

Almost surely, 2^20682774 is an apocalyptic number.

20682774 is an abundant number, since it is smaller than the sum of its proper divisors (30532026).

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

20682774 is a wasteful number, since it uses less digits than its factorization.

20682774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164164 (or 164161 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 20682774 is about 4547.8317910846. The cubic root of 20682774 is about 274.4961529117.

The spelling of 20682774 in words is "twenty million, six hundred eighty-two thousand, seven hundred seventy-four".