204420130479 has 12 divisors (see below), whose sum is σ = 295302891000. Its totient is φ = 136266531984.

The previous prime is 204420130459. The next prime is 204420130487. The reversal of 204420130479 is 974031024402.

It is not a de Polignac number, because 204420130479 - 2⁸ = 204420130223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204420130459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1033644 + ... + 1215425.

It is an arithmetic number, because the mean of its divisors is an integer number (24608574250).

Almost surely, 2^204420130479 is an apocalyptic number.

204420130479 is a deficient number, since it is larger than the sum of its proper divisors (90882760521).

204420130479 is a wasteful number, since it uses less digits than its factorization.

204420130479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259174 (or 2259171 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 204420130479 in words is "two hundred four billion, four hundred twenty million, one hundred thirty thousand, four hundred seventy-nine".