204454430 has 8 divisors (see below), whose sum is σ = 368017992. Its totient is φ = 81781768.

The previous prime is 204454409. The next prime is 204454441. The reversal of 204454430 is 34454402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204454430² = 83603227893249800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204454430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10222712 + ... + 10222731.

It is an arithmetic number, because the mean of its divisors is an integer number (46002249).

Almost surely, 2^204454430 is an apocalyptic number.

204454430 is a deficient number, since it is larger than the sum of its proper divisors (163563562).

204454430 is a wasteful number, since it uses less digits than its factorization.

204454430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445450.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 204454430 is about 14298.7562396175. The cubic root of 204454430 is about 589.1133190824.

The spelling of 204454430 in words is "two hundred four million, four hundred fifty-four thousand, four hundred thirty".