20707914 has 32 divisors (see below), whose sum is σ = 43568640. Its totient is φ = 6552000.

The previous prime is 20707903. The next prime is 20707933. The reversal of 20707914 is 41970702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9639 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (1361520).

Almost surely, 2^20707914 is an apocalyptic number.

20707914 is an abundant number, since it is smaller than the sum of its proper divisors (22860726).

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

20707914 is a wasteful number, since it uses less digits than its factorization.

20707914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 20707914 is about 4550.5949061634. The cubic root of 20707914 is about 274.6073249620.

The spelling of 20707914 in words is "twenty million, seven hundred seven thousand, nine hundred fourteen".