20202113131321 has 8 divisors (see below), whose sum is σ = 22042008648000. Its totient is φ = 18362774244240.

The previous prime is 20202113131309. The next prime is 20202113131327. The reversal of 20202113131321 is 12313131120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20202113131321 - 2⁹ = 20202113130809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202113131292 and 20202113131301.

It is not an unprimeable number, because it can be changed into a prime (20202113131327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139081506 + ... + 139226683.

It is an arithmetic number, because the mean of its divisors is an integer number (2755251081000).

Almost surely, 2^{20202113131321} is an apocalyptic number.

It is an amenable number.

20202113131321 is a deficient number, since it is larger than the sum of its proper divisors (1839895516679).

20202113131321 is a wasteful number, since it uses less digits than its factorization.

20202113131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278314799.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20202113131321 its reverse (12313131120202), we get a palindrome (32515244251523).

The spelling of 20202113131321 in words is "twenty trillion, two hundred two billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-one".