20102313213 has 16 divisors (see below), whose sum is σ = 29894451840. Its totient is φ = 13350580992.

The previous prime is 20102313073. The next prime is 20102313223. The reversal of 20102313213 is 31231320102.

It is not a de Polignac number, because 20102313213 - 2⁹ = 20102312701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102313223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408356 + ... + 1422557.

It is an arithmetic number, because the mean of its divisors is an integer number (1868403240).

Almost surely, 2^20102313213 is an apocalyptic number.

It is an amenable number.

20102313213 is a deficient number, since it is larger than the sum of its proper divisors (9792138627).

20102313213 is a wasteful number, since it uses less digits than its factorization.

20102313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831185 (or 2831179 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20102313213 its reverse (31231320102), we get a palindrome (51333633315).

The spelling of 20102313213 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, two hundred thirteen".