20430023221324 has 48 divisors (see below), whose sum is σ = 38596781905920. Its totient is φ = 9433138594880.

The previous prime is 20430023221319. The next prime is 20430023221369. The reversal of 20430023221324 is 42312232003402.

It is a junction number, because it is equal to n+sod(n) for n = 20430023221292 and 20430023221301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31112109 + ... + 31761979.

It is an arithmetic number, because the mean of its divisors is an integer number (804099623040).

Almost surely, 2^{20430023221324} is an apocalyptic number.

It is an amenable number.

20430023221324 is a deficient number, since it is larger than the sum of its proper divisors (18166758684596).

20430023221324 is a wasteful number, since it uses less digits than its factorization.

20430023221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661710 (or 661708 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20430023221324 its reverse (42312232003402), we get a palindrome (62742255224726).

The spelling of 20430023221324 in words is "twenty trillion, four hundred thirty billion, twenty-three million, two hundred twenty-one thousand, three hundred twenty-four".