204062703290 has 16 divisors (see below), whose sum is σ = 368678346120. Its totient is φ = 81321641280.

The previous prime is 204062703217. The next prime is 204062703329. The reversal of 204062703290 is 92307260402.

It is a happy number.

It is a Cunningham number, because it is equal to 451733²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 73462139521 + 130600563769 = 271039^2 + 361387^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204062703290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37927181 + ... + 37932560.

Almost surely, 2^204062703290 is an apocalyptic number.

204062703290 is a deficient number, since it is larger than the sum of its proper divisors (164615642830).

204062703290 is a wasteful number, since it uses less digits than its factorization.

204062703290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75860017.

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 204062703290 its reverse (92307260402), we get a palindrome (296369963692).

The spelling of 204062703290 in words is "two hundred four billion, sixty-two million, seven hundred three thousand, two hundred ninety".