204642070240 has 96 divisors (see below), whose sum is σ = 485955288000. Its totient is φ = 81436643328.

The previous prime is 204642070109. The next prime is 204642070319. The reversal of 204642070240 is 42070246402.

It is a super-2 number, since 2×204642070240² (a number of 23 digits) contains 22 as substring.

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, 25452141 + ... + 25460179.

It is an arithmetic number, because the mean of its divisors is an integer number (5062034250).

Almost surely, 2^204642070240 is an apocalyptic number.

204642070240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204642070240 is an abundant number, since it is smaller than the sum of its proper divisors (281313217760).

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

204642070240 is a wasteful number, since it uses less digits than its factorization.

204642070240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8844 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 204642070240 in words is "two hundred four billion, six hundred forty-two million, seventy thousand, two hundred forty".