204243342402 has 32 divisors (see below), whose sum is σ = 445658653440. Its totient is φ = 61886808720.

The previous prime is 204243342377. The next prime is 204243342409.

204243342402 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×204243342402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204243342402.

It is not an unprimeable number, because it can be changed into a prime (204243342409) 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, 719313 + ... + 962235.

It is an arithmetic number, because the mean of its divisors is an integer number (13926832920).

Almost surely, 2^204243342402 is an apocalyptic number.

204243342402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204243342402 is an abundant number, since it is smaller than the sum of its proper divisors (241415311038).

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

204243342402 is a wasteful number, since it uses less digits than its factorization.

204243342402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255678.

The product of its (nonzero) digits is 36864, while the sum is 30.

It can be divided in two parts, 204243 and 342402, that added together give a palindrome (546645).

The spelling of 204243342402 in words is "two hundred four billion, two hundred forty-three million, three hundred forty-two thousand, four hundred two".