204262024861 has 4 divisors (see below), whose sum is σ = 204263639424. Its totient is φ = 204260410300.

The previous prime is 204262024843. The next prime is 204262024867. The reversal of 204262024861 is 168420262402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204262024861 - 2¹⁵ = 204261992093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204262024861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204262024867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599725 + ... + 876466.

It is an arithmetic number, because the mean of its divisors is an integer number (51065909856).

Almost surely, 2^204262024861 is an apocalyptic number.

It is an amenable number.

204262024861 is a deficient number, since it is larger than the sum of its proper divisors (1614563).

204262024861 is a wasteful number, since it uses less digits than its factorization.

204262024861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614562.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 204262024861 in words is "two hundred four billion, two hundred sixty-two million, twenty-four thousand, eight hundred sixty-one".