20323022432 has 12 divisors (see below), whose sum is σ = 40010950476. Its totient is φ = 10161511200.

The previous prime is 20323022411. The next prime is 20323022441. The reversal of 20323022432 is 23422032302.

It is a junction number, because it is equal to n+sod(n) for n = 20323022398 and 20323022407.

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, 317547194 + ... + 317547257.

It is an arithmetic number, because the mean of its divisors is an integer number (3334245873).

Almost surely, 2^20323022432 is an apocalyptic number.

It is an amenable number.

20323022432 is a deficient number, since it is larger than the sum of its proper divisors (19687928044).

20323022432 is an equidigital number, since it uses as much as digits as its factorization.

20323022432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635094461 (or 635094453 counting only the distinct ones).

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

Adding to 20323022432 its reverse (23422032302), we get a palindrome (43745054734).

The spelling of 20323022432 in words is "twenty billion, three hundred twenty-three million, twenty-two thousand, four hundred thirty-two".