20032123213313 has 4 divisors (see below), whose sum is σ = 20077754473920. Its totient is φ = 19986491952708.

The previous prime is 20032123213303. The next prime is 20032123213321. The reversal of 20032123213313 is 31331232123002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20032123213313 - 2⁸ = 20032123213057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032123213303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22815629645 + ... + 22815630522.

It is an arithmetic number, because the mean of its divisors is an integer number (5019438618480).

Almost surely, 2^{20032123213313} is an apocalyptic number.

It is an amenable number.

20032123213313 is a deficient number, since it is larger than the sum of its proper divisors (45631260607).

20032123213313 is an equidigital number, since it uses as much as digits as its factorization.

20032123213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45631260606.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20032123213313 its reverse (31331232123002), we get a palindrome (51363355336315).

The spelling of 20032123213313 in words is "twenty trillion, thirty-two billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirteen".