204126512810 has 64 divisors (see below), whose sum is σ = 425338957440. Its totient is φ = 69708318720.

The previous prime is 204126512803. The next prime is 204126512831. The reversal of 204126512810 is 18215621402.

It is a super-2 number, since 2×204126512810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735161 + ... + 974019.

It is an arithmetic number, because the mean of its divisors is an integer number (6645921210).

Almost surely, 2^204126512810 is an apocalyptic number.

204126512810 is an abundant number, since it is smaller than the sum of its proper divisors (221212444630).

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

204126512810 is a wasteful number, since it uses less digits than its factorization.

204126512810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239351.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 204126512810 in words is "two hundred four billion, one hundred twenty-six million, five hundred twelve thousand, eight hundred ten".