204388940970 has 48 divisors (see below), whose sum is σ = 536114027592. Its totient is φ = 54021381120.

The previous prime is 204388940969. The next prime is 204388940983. The reversal of 204388940970 is 79049883402.

204388940970 is a `hidden beast` number, since 2 + 0 + 438 + 89 + 40 + 97 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 136757217249 + 67631723721 = 369807^2 + 260061^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10038451 + ... + 10058790.

Almost surely, 2^204388940970 is an apocalyptic number.

204388940970 is an abundant number, since it is smaller than the sum of its proper divisors (331725086622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204388940970 is a wasteful number, since it uses less digits than its factorization.

204388940970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20097367 (or 20097364 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 204388940970 in words is "two hundred four billion, three hundred eighty-eight million, nine hundred forty thousand, nine hundred seventy".