20684315302 has 16 divisors (see below), whose sum is σ = 35570691360. Its totient is φ = 8836740288.

The previous prime is 20684315299. The next prime is 20684315329. The reversal of 20684315302 is 20351348602.

20684315302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2325927 + ... + 2334802.

It is an arithmetic number, because the mean of its divisors is an integer number (2223168210).

Almost surely, 2^20684315302 is an apocalyptic number.

20684315302 is a deficient number, since it is larger than the sum of its proper divisors (14886376058).

20684315302 is a wasteful number, since it uses less digits than its factorization.

20684315302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661055.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20684315302 in words is "twenty billion, six hundred eighty-four million, three hundred fifteen thousand, three hundred two".