204380481 has 4 divisors (see below), whose sum is σ = 272507312. Its totient is φ = 136253652.

The previous prime is 204380471. The next prime is 204380483. The reversal of 204380481 is 184083402.

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 not a de Polignac number, because 204380481 - 2⁶ = 204380417 is a prime.

It is a super-2 number, since 2×204380481² = 83542762027582722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204380483) 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, 34063411 + ... + 34063416.

It is an arithmetic number, because the mean of its divisors is an integer number (68126828).

Almost surely, 2^204380481 is an apocalyptic number.

It is an amenable number.

204380481 is a deficient number, since it is larger than the sum of its proper divisors (68126831).

204380481 is an equidigital number, since it uses as much as digits as its factorization.

204380481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68126830.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 204380481 is about 14296.1701514776. The cubic root of 204380481 is about 589.0422851701.

The spelling of 204380481 in words is "two hundred four million, three hundred eighty thousand, four hundred eighty-one".