204908640932 has 24 divisors (see below), whose sum is σ = 363737787000. Its totient is φ = 100985377536.

The previous prime is 204908640931. The next prime is 204908640953. The reversal of 204908640932 is 239046809402.

It can be written as a sum of positive squares in 4 ways, for example, as 89530214656 + 115378426276 = 299216^2 + 339674^2 .

It is a super-2 number, since 2×204908640932² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204908640931) 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, 225794 + ... + 678822.

It is an arithmetic number, because the mean of its divisors is an integer number (15155741125).

Almost surely, 2^204908640932 is an apocalyptic number.

It is an amenable number.

204908640932 is a deficient number, since it is larger than the sum of its proper divisors (158829146068).

204908640932 is a wasteful number, since it uses less digits than its factorization.

204908640932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454655 (or 454653 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 204908640932 in words is "two hundred four billion, nine hundred eight million, six hundred forty thousand, nine hundred thirty-two".