20132221223013 has 4 divisors (see below), whose sum is σ = 26842961630688. Its totient is φ = 13421480815340.

The previous prime is 20132221223011. The next prime is 20132221223021. The reversal of 20132221223013 is 31032212223102.

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 20132221223013 - 2¹ = 20132221223011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132221223011) 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, 3355370203833 + ... + 3355370203838.

It is an arithmetic number, because the mean of its divisors is an integer number (6710740407672).

Almost surely, 2^{20132221223013} is an apocalyptic number.

It is an amenable number.

20132221223013 is a deficient number, since it is larger than the sum of its proper divisors (6710740407675).

20132221223013 is an equidigital number, since it uses as much as digits as its factorization.

20132221223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710740407674.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20132221223013 its reverse (31032212223102), we get a palindrome (51164433446115).

The spelling of 20132221223013 in words is "twenty trillion, one hundred thirty-two billion, two hundred twenty-one million, two hundred twenty-three thousand, thirteen".