20066885902 has 16 divisors (see below), whose sum is σ = 34405747200. Its totient is φ = 8598751128.

The previous prime is 20066885899. The next prime is 20066885911. The reversal of 20066885902 is 20958866002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16218 + ... + 200989.

It is an arithmetic number, because the mean of its divisors is an integer number (2150359200).

Almost surely, 2^20066885902 is an apocalyptic number.

20066885902 is a deficient number, since it is larger than the sum of its proper divisors (14338861298).

20066885902 is a wasteful number, since it uses less digits than its factorization.

20066885902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223815.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 20066885902 in words is "twenty billion, sixty-six million, eight hundred eighty-five thousand, nine hundred two".