13340000202021 has 24 divisors (see below), whose sum is σ = 19583617415544. Its totient is φ = 8749195977600.

The previous prime is 13340000201999. The next prime is 13340000202059. The reversal of 13340000202021 is 12020200004331.

It can be written as a sum of positive squares in 4 ways, for example, as 5679499248900 + 7660500953121 = 2383170^2 + 2767761^2 .

It is not a de Polignac number, because 13340000202021 - 2⁵ = 13340000201989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13340000201985 and 13340000202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340000202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46594446 + ... + 46879871.

It is an arithmetic number, because the mean of its divisors is an integer number (815984058981).

Almost surely, 2^{13340000202021} is an apocalyptic number.

It is an amenable number.

13340000202021 is a deficient number, since it is larger than the sum of its proper divisors (6243617213523).

13340000202021 is a wasteful number, since it uses less digits than its factorization.

13340000202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93474581 (or 93474578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13340000202021 its reverse (12020200004331), we get a palindrome (25360200206352).

The spelling of 13340000202021 in words is "thirteen trillion, three hundred forty billion, two hundred two thousand, twenty-one".