20341431232 has 14 divisors (see below), whose sum is σ = 40365027728. Its totient is φ = 10170715584.

The previous prime is 20341431211. The next prime is 20341431241. The reversal of 20341431232 is 23213414302.

It is a junction number, because it is equal to n+sod(n) for n = 20341431197 and 20341431206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158917368 + ... + 158917495.

Almost surely, 2^20341431232 is an apocalyptic number.

It is an amenable number.

20341431232 is a deficient number, since it is larger than the sum of its proper divisors (20023596496).

20341431232 is an equidigital number, since it uses as much as digits as its factorization.

20341431232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317834875 (or 317834865 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20341431232 its reverse (23213414302), we get a palindrome (43554845534).

The spelling of 20341431232 in words is "twenty billion, three hundred forty-one million, four hundred thirty-one thousand, two hundred thirty-two".