20321414312232 has 64 divisors (see below), whose sum is σ = 55432063272960. Its totient is φ = 6156890532800.

The previous prime is 20321414312137. The next prime is 20321414312249. The reversal of 20321414312232 is 23221341412302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20321414312232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5498328 + ... + 8418695.

It is an arithmetic number, because the mean of its divisors is an integer number (866125988640).

Almost surely, 2^{20321414312232} is an apocalyptic number.

20321414312232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20321414312232 is an abundant number, since it is smaller than the sum of its proper divisors (35110648960728).

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

20321414312232 is a wasteful number, since it uses less digits than its factorization.

20321414312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922574 (or 13922570 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20321414312232 its reverse (23221341412302), we get a palindrome (43542755724534).

The spelling of 20321414312232 in words is "twenty trillion, three hundred twenty-one billion, four hundred fourteen million, three hundred twelve thousand, two hundred thirty-two".