20304640302 has 16 divisors (see below), whose sum is σ = 42998062032. Its totient is φ = 6370083200.

The previous prime is 20304640297. The next prime is 20304640303.

It is a happy number.

20304640302 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304640303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99532449 + ... + 99532652.

It is an arithmetic number, because the mean of its divisors is an integer number (2687378877).

Almost surely, 2^20304640302 is an apocalyptic number.

20304640302 is an abundant number, since it is smaller than the sum of its proper divisors (22693421730).

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

20304640302 is a wasteful number, since it uses less digits than its factorization.

20304640302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199065123.

The product of its (nonzero) digits is 3456, while the sum is 24.

The spelling of 20304640302 in words is "twenty billion, three hundred four million, six hundred forty thousand, three hundred two".