204154423630 has 32 divisors (see below), whose sum is σ = 374415857280. Its totient is φ = 80126565120.

The previous prime is 204154423537. The next prime is 204154423643. The reversal of 204154423630 is 36324451402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159654 + ... + 658633.

It is an arithmetic number, because the mean of its divisors is an integer number (11700495540).

Almost surely, 2^204154423630 is an apocalyptic number.

204154423630 is a deficient number, since it is larger than the sum of its proper divisors (170261433650).

204154423630 is a wasteful number, since it uses less digits than its factorization.

204154423630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818764.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 204154423630 in words is "two hundred four billion, one hundred fifty-four million, four hundred twenty-three thousand, six hundred thirty".