20312321302 has 16 divisors (see below), whose sum is σ = 37499670432. Its totient is φ = 8035643520.

The previous prime is 20312321287. The next prime is 20312321371.

20312321302 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20312321302.

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, 55802899 + ... + 55803262.

It is an arithmetic number, because the mean of its divisors is an integer number (2343729402).

Almost surely, 2^20312321302 is an apocalyptic number.

20312321302 is a deficient number, since it is larger than the sum of its proper divisors (17187349130).

20312321302 is a wasteful number, since it uses less digits than its factorization.

20312321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111606183.

The product of its (nonzero) digits is 432, while the sum is 19.

The spelling of 20312321302 in words is "twenty billion, three hundred twelve million, three hundred twenty-one thousand, three hundred two".