204320923894 has 4 divisors (see below), whose sum is σ = 306481385844. Its totient is φ = 102160461946.

The previous prime is 204320923883. The next prime is 204320923931. The reversal of 204320923894 is 498329023402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51080230972 + ... + 51080230975.

It is an arithmetic number, because the mean of its divisors is an integer number (76620346461).

Almost surely, 2^204320923894 is an apocalyptic number.

204320923894 is a deficient number, since it is larger than the sum of its proper divisors (102160461950).

204320923894 is a wasteful number, since it uses less digits than its factorization.

204320923894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102160461949.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 204320923894 in words is "two hundred four billion, three hundred twenty million, nine hundred twenty-three thousand, eight hundred ninety-four".