204073381 has 4 divisors (see below), whose sum is σ = 204104992. Its totient is φ = 204041772.

The previous prime is 204073349. The next prime is 204073393. The reversal of 204073381 is 183370402.

204073381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204073381 - 2⁵ = 204073349 is a prime.

It is a super-2 number, since 2×204073381² = 83291889665542322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204073481) 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, 2241 + ... + 20326.

It is an arithmetic number, because the mean of its divisors is an integer number (51026248).

Almost surely, 2^204073381 is an apocalyptic number.

It is an amenable number.

204073381 is a deficient number, since it is larger than the sum of its proper divisors (31611).

204073381 is an equidigital number, since it uses as much as digits as its factorization.

204073381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31610.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 204073381 is about 14285.4254749377. The cubic root of 204073381 is about 588.7471076590.

The spelling of 204073381 in words is "two hundred four million, seventy-three thousand, three hundred eighty-one".