20332231212013 has 8 divisors (see below), whose sum is σ = 23238562525632. Its totient is φ = 17426331612096.

The previous prime is 20332231211989. The next prime is 20332231212023. The reversal of 20332231212013 is 31021213223302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332231212013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332231212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107827495 + ... + 108015892.

It is an arithmetic number, because the mean of its divisors is an integer number (2904820315704).

Almost surely, 2^{20332231212013} is an apocalyptic number.

It is an amenable number.

20332231212013 is a deficient number, since it is larger than the sum of its proper divisors (2906331313619).

20332231212013 is a wasteful number, since it uses less digits than its factorization.

20332231212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215856851.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20332231212013 its reverse (31021213223302), we get a palindrome (51353444435315).

The spelling of 20332231212013 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-one million, two hundred twelve thousand, thirteen".