20306666022 has 16 divisors (see below), whose sum is σ = 43002351792. Its totient is φ = 6370718720.

The previous prime is 20306665963. The next prime is 20306666047. The reversal of 20306666022 is 22066660302.

It is a congruent number.

It is an unprimeable number.

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, 99542379 + ... + 99542582.

It is an arithmetic number, because the mean of its divisors is an integer number (2687646987).

Almost surely, 2^20306666022 is an apocalyptic number.

20306666022 is an abundant number, since it is smaller than the sum of its proper divisors (22695685770).

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

20306666022 is a wasteful number, since it uses less digits than its factorization.

20306666022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199084983.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 20306666022 in words is "twenty billion, three hundred six million, six hundred sixty-six thousand, twenty-two".