20707802 has 16 divisors (see below), whose sum is σ = 32996160. Its totient is φ = 9713088.

The previous prime is 20707801. The next prime is 20707807. The reversal of 20707802 is 20870702.

It is not an unprimeable number, because it can be changed into a prime (20707801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12083 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (2062260).

Almost surely, 2^20707802 is an apocalyptic number.

20707802 is a deficient number, since it is larger than the sum of its proper divisors (12288358).

20707802 is a wasteful number, since it uses less digits than its factorization.

20707802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 20707802 is about 4550.5826000634. The cubic root of 20707802 is about 274.6068298844.

The spelling of 20707802 in words is "twenty million, seven hundred seven thousand, eight hundred two".