204535512402 has 32 divisors (see below), whose sum is σ = 441097927872. Its totient is φ = 62854017984.

The previous prime is 204535512289. The next prime is 204535512403. The reversal of 204535512402 is 204215535402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204535512403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604593 + ... + 1727364.

It is an arithmetic number, because the mean of its divisors is an integer number (13784310246).

Almost surely, 2^204535512402 is an apocalyptic number.

204535512402 is an abundant number, since it is smaller than the sum of its proper divisors (236562415470).

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

204535512402 is a wasteful number, since it uses less digits than its factorization.

204535512402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332762.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 204535512402 in words is "two hundred four billion, five hundred thirty-five million, five hundred twelve thousand, four hundred two".