20302340324 has 36 divisors (see below), whose sum is σ = 42662995200. Its totient is φ = 8420322960.

The previous prime is 20302340309. The next prime is 20302340381. The reversal of 20302340324 is 42304320302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302340324.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1664624 + ... + 1676775.

It is an arithmetic number, because the mean of its divisors is an integer number (1185083200).

Almost surely, 2^20302340324 is an apocalyptic number.

It is an amenable number.

20302340324 is an abundant number, since it is smaller than the sum of its proper divisors (22360654876).

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

20302340324 is a wasteful number, since it uses less digits than its factorization.

20302340324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341448 (or 3341439 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20302340324 its reverse (42304320302), we get a palindrome (62606660626).

The spelling of 20302340324 in words is "twenty billion, three hundred two million, three hundred forty thousand, three hundred twenty-four".