204698006390 has 16 divisors (see below), whose sum is σ = 368708978160. Its totient is φ = 81823076640.

The previous prime is 204698006389. The next prime is 204698006393. The reversal of 204698006390 is 93600896402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204698006393) 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, 7000421 + ... + 7029600.

It is an arithmetic number, because the mean of its divisors is an integer number (23044311135).

Almost surely, 2^204698006390 is an apocalyptic number.

204698006390 is a deficient number, since it is larger than the sum of its proper divisors (164010971770).

204698006390 is a wasteful number, since it uses less digits than its factorization.

204698006390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031487.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 204698006390 in words is "two hundred four billion, six hundred ninety-eight million, six thousand, three hundred ninety".