204113132130021 has 8 divisors (see below), whose sum is σ = 275208717479040. Its totient is φ = 134546484100512.

The previous prime is 204113132129987. The next prime is 204113132130067. The reversal of 204113132130021 is 120031231311402.

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

It is not a de Polignac number, because 204113132130021 - 2²⁷ = 204112997912293 is a prime.

It is a super-2 number, since 2×204113132130021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204113132129973 and 204113132130000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204113132130121) 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, 382234329565 + ... + 382234330098.

It is an arithmetic number, because the mean of its divisors is an integer number (34401089684880).

Almost surely, 2^{204113132130021} is an apocalyptic number.

It is an amenable number.

204113132130021 is a deficient number, since it is larger than the sum of its proper divisors (71095585349019).

204113132130021 is an equidigital number, since it uses as much as digits as its factorization.

204113132130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764468659755.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 204113132130021 its reverse (120031231311402), we get a palindrome (324144363441423).

The spelling of 204113132130021 in words is "two hundred four trillion, one hundred thirteen billion, one hundred thirty-two million, one hundred thirty thousand, twenty-one".