20782014 has 16 divisors (see below), whose sum is σ = 45342720. Its totient is φ = 6297560.

The previous prime is 20781931. The next prime is 20782031. The reversal of 20782014 is 41028702.

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, 157374 + ... + 157505.

It is an arithmetic number, because the mean of its divisors is an integer number (2833920).

Almost surely, 2^20782014 is an apocalyptic number.

20782014 is an abundant number, since it is smaller than the sum of its proper divisors (24560706).

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

20782014 is a wasteful number, since it uses less digits than its factorization.

20782014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314895.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20782014 is about 4558.7294282508. The cubic root of 20782014 is about 274.9344813611.

The spelling of 20782014 in words is "twenty million, seven hundred eighty-two thousand, fourteen".