20018683702 has 16 divisors (see below), whose sum is σ = 31089108960. Its totient is φ = 9656217088.

The previous prime is 20018683681. The next prime is 20018683747. The reversal of 20018683702 is 20738681002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71218 + ... + 212389.

It is an arithmetic number, because the mean of its divisors is an integer number (1943069310).

Almost surely, 2^20018683702 is an apocalyptic number.

20018683702 is a deficient number, since it is larger than the sum of its proper divisors (11070425258).

20018683702 is a wasteful number, since it uses less digits than its factorization.

20018683702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284855.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 20018683702 in words is "twenty billion, eighteen million, six hundred eighty-three thousand, seven hundred two".