202120002210013 has 4 divisors (see below), whose sum is σ = 202122373788540. Its totient is φ = 202117630631488.

The previous prime is 202120002209981. The next prime is 202120002210017. The reversal of 202120002210013 is 310012200021202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157540704516484 + 44579297693529 = 12551522^2 + 6676773^2 .

It is a cyclic number.

It is not a de Polignac number, because 202120002210013 - 2⁵ = 202120002209981 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 (202120002210017) 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, 1185661420 + ... + 1185831877.

It is an arithmetic number, because the mean of its divisors is an integer number (50530593447135).

Almost surely, 2^{202120002210013} is an apocalyptic number.

It is an amenable number.

202120002210013 is a deficient number, since it is larger than the sum of its proper divisors (2371578527).

202120002210013 is an equidigital number, since it uses as much as digits as its factorization.

202120002210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371578526.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202120002210013 its reverse (310012200021202), we get a palindrome (512132202231215).

The spelling of 202120002210013 in words is "two hundred two trillion, one hundred twenty billion, two million, two hundred ten thousand, thirteen".