204321464 has 16 divisors (see below), whose sum is σ = 383296320. Its totient is φ = 102109120.

The previous prime is 204321463. The next prime is 204321493. The reversal of 204321464 is 464123402.

204321464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204321464² = 83494521302206592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204321461) 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, 14297 + ... + 24759.

It is an arithmetic number, because the mean of its divisors is an integer number (23956020).

Almost surely, 2^204321464 is an apocalyptic number.

It is an amenable number.

204321464 is a deficient number, since it is larger than the sum of its proper divisors (178974856).

204321464 is a wasteful number, since it uses less digits than its factorization.

204321464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12910 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 204321464 is about 14294.1059181748. The cubic root of 204321464 is about 588.9855823398.

Adding to 204321464 its reverse (464123402), we get a palindrome (668444866).

The spelling of 204321464 in words is "two hundred four million, three hundred twenty-one thousand, four hundred sixty-four".