204970454 has 16 divisors (see below), whose sum is σ = 340056528. Its totient is φ = 92044512.

The previous prime is 204970453. The next prime is 204970501. The reversal of 204970454 is 454079402.

It is a super-2 number, since 2×204970454² = 84025774025932232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204970453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105572 + ... + 107495.

It is an arithmetic number, because the mean of its divisors is an integer number (21253533).

Almost surely, 2^204970454 is an apocalyptic number.

204970454 is a deficient number, since it is larger than the sum of its proper divisors (135086074).

204970454 is a wasteful number, since it uses less digits than its factorization.

204970454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213119.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 204970454 is about 14316.7892350205. The cubic root of 204970454 is about 589.6085251393.

The spelling of 204970454 in words is "two hundred four million, nine hundred seventy thousand, four hundred fifty-four".