20212010013 has 16 divisors (see below), whose sum is σ = 29958580736. Its totient is φ = 12036928320.

The previous prime is 20212010009. The next prime is 20212010023. The reversal of 20212010013 is 31001021202.

It is not a de Polignac number, because 20212010013 - 2² = 20212010009 is a prime.

It is a super-2 number, since 2×20212010013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212010023) 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, 8357770 + ... + 8360187.

It is an arithmetic number, because the mean of its divisors is an integer number (1872411296).

Almost surely, 2^20212010013 is an apocalyptic number.

It is an amenable number.

20212010013 is a deficient number, since it is larger than the sum of its proper divisors (9746570723).

20212010013 is a wasteful number, since it uses less digits than its factorization.

20212010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718004.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20212010013 its reverse (31001021202), we get a palindrome (51213031215).

The spelling of 20212010013 in words is "twenty billion, two hundred twelve million, ten thousand, thirteen".