20010213313 has 4 divisors (see below), whose sum is σ = 20012113620. Its totient is φ = 20008313008.

The previous prime is 20010213283. The next prime is 20010213347. The reversal of 20010213313 is 31331201002.

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 10020610609 + 9989602704 = 100103^2 + 99948^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010213313 - 2¹⁷ = 20010082241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010213373) 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, 934270 + ... + 955447.

It is an arithmetic number, because the mean of its divisors is an integer number (5003028405).

Almost surely, 2^20010213313 is an apocalyptic number.

It is an amenable number.

20010213313 is a deficient number, since it is larger than the sum of its proper divisors (1900307).

20010213313 is a wasteful number, since it uses less digits than its factorization.

20010213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900306.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20010213313 its reverse (31331201002), we get a palindrome (51341414315).

The spelling of 20010213313 in words is "twenty billion, ten million, two hundred thirteen thousand, three hundred thirteen".