20324431196 has 6 divisors (see below), whose sum is σ = 35567754600. Its totient is φ = 10162215596.

The previous prime is 20324431189. The next prime is 20324431241. The reversal of 20324431196 is 69113442302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540553896 + ... + 2540553903.

It is an arithmetic number, because the mean of its divisors is an integer number (5927959100).

Almost surely, 2^20324431196 is an apocalyptic number.

It is an amenable number.

20324431196 is a deficient number, since it is larger than the sum of its proper divisors (15243323404).

20324431196 is a wasteful number, since it uses less digits than its factorization.

20324431196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081107803 (or 5081107801 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 20324431196 its reverse (69113442302), we get a palindrome (89437873498).

The spelling of 20324431196 in words is "twenty billion, three hundred twenty-four million, four hundred thirty-one thousand, one hundred ninety-six".