20204210013313 has 4 divisors (see below), whose sum is σ = 20204924501440. Its totient is φ = 20203495525188.

The previous prime is 20204210013287. The next prime is 20204210013341. The reversal of 20204210013313 is 31331001240202.

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 a de Polignac number, because none of the positive numbers 2^k-20204210013313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204210013613) 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, 357201645 + ... + 357258202.

It is an arithmetic number, because the mean of its divisors is an integer number (5051231125360).

Almost surely, 2^{20204210013313} is an apocalyptic number.

It is an amenable number.

20204210013313 is a deficient number, since it is larger than the sum of its proper divisors (714488127).

20204210013313 is an equidigital number, since it uses as much as digits as its factorization.

20204210013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714488126.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20204210013313 its reverse (31331001240202), we get a palindrome (51535211253515).

The spelling of 20204210013313 in words is "twenty trillion, two hundred four billion, two hundred ten million, thirteen thousand, three hundred thirteen".