20636700306 has 16 divisors (see below), whose sum is σ = 41659134624. Its totient is φ = 6814611104.

The previous prime is 20636700277. The next prime is 20636700319. The reversal of 20636700306 is 60300763602.

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, 16071555 + ... + 16072838.

It is an arithmetic number, because the mean of its divisors is an integer number (2603695914).

Almost surely, 2^20636700306 is an apocalyptic number.

20636700306 is an abundant number, since it is smaller than the sum of its proper divisors (21022434318).

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

20636700306 is a wasteful number, since it uses less digits than its factorization.

20636700306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32144505.

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 20636700306 in words is "twenty billion, six hundred thirty-six million, seven hundred thousand, three hundred six".