204320250023531 has 16 divisors (see below), whose sum is σ = 206369763556320. Its totient is φ = 202281182818560.

The previous prime is 204320250023473. The next prime is 204320250023573. The reversal of 204320250023531 is 135320052023402.

It is a cyclic number.

It is not a de Polignac number, because 204320250023531 - 2¹⁸ = 204320249761387 is a prime.

It is a super-2 number, since 2×204320250023531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204320250013531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224454380 + ... + 225362838.

It is an arithmetic number, because the mean of its divisors is an integer number (12898110222270).

Almost surely, 2^{204320250023531} is an apocalyptic number.

204320250023531 is a deficient number, since it is larger than the sum of its proper divisors (2049513532789).

204320250023531 is a wasteful number, since it uses less digits than its factorization.

204320250023531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914206.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 204320250023531 in words is "two hundred four trillion, three hundred twenty billion, two hundred fifty million, twenty-three thousand, five hundred thirty-one".