1002204556236 has 120 divisors (see below), whose sum is σ = 2897753215280. Its totient is φ = 300036244608.

The previous prime is 1002204556181. The next prime is 1002204556267. The reversal of 1002204556236 is 6326554022001.

1002204556236 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 20 + 4 + 5 + 5 + 623 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1002204556236.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3059566 + ... + 3371253.

Almost surely, 2^{1002204556236} is an apocalyptic number.

It is an amenable number.

1002204556236 is an abundant number, since it is smaller than the sum of its proper divisors (1895548659044).

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

1002204556236 is a wasteful number, since it uses less digits than its factorization.

1002204556236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430885 (or 6430874 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1002204556236 its reverse (6326554022001), we get a palindrome (7328758578237).

The spelling of 1002204556236 in words is "one trillion, two billion, two hundred four million, five hundred fifty-six thousand, two hundred thirty-six".