20413211516313 has 64 divisors (see below), whose sum is σ = 34012046475264. Its totient is φ = 10579787784000.

The previous prime is 20413211516311. The next prime is 20413211516393. The reversal of 20413211516313 is 31361511231402.

It is not a de Polignac number, because 20413211516313 - 2¹ = 20413211516311 is a prime.

It is a super-2 number, since 2×20413211516313² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20413211516311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241468470 + ... + 241552992.

It is an arithmetic number, because the mean of its divisors is an integer number (531438226176).

Almost surely, 2^{20413211516313} is an apocalyptic number.

It is an amenable number.

20413211516313 is a deficient number, since it is larger than the sum of its proper divisors (13598834958951).

20413211516313 is a wasteful number, since it uses less digits than its factorization.

20413211516313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86946.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 20413211516313 its reverse (31361511231402), we get a palindrome (51774722747715).

The spelling of 20413211516313 in words is "twenty trillion, four hundred thirteen billion, two hundred eleven million, five hundred sixteen thousand, three hundred thirteen".