20323242402 has 16 divisors (see below), whose sum is σ = 40649949120. Its totient is φ = 6773836752.

The previous prime is 20323242397. The next prime is 20323242419. The reversal of 20323242402 is 20424232302.

It is a happy 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, 64702 + ... + 211737.

It is an arithmetic number, because the mean of its divisors is an integer number (2540621820).

Almost surely, 2^20323242402 is an apocalyptic number.

20323242402 is an abundant number, since it is smaller than the sum of its proper divisors (20326706718).

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

20323242402 is a wasteful number, since it uses less digits than its factorization.

20323242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288697.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20323242402 its reverse (20424232302), we get a palindrome (40747474704).

The spelling of 20323242402 in words is "twenty billion, three hundred twenty-three million, two hundred forty-two thousand, four hundred two".