20012204463336 has 72 divisors (see below), whose sum is σ = 56658687051330. Its totient is φ = 6380702860224.

The previous prime is 20012204463323. The next prime is 20012204463341. The reversal of 20012204463336 is 63336440221002.

20012204463336 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 220 + 44 + 63 + 336 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14704203175236 + 5308001288100 = 3834606^2 + 2303910^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 20012204463336.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 262672011 + ... + 262748186.

Almost surely, 2^{20012204463336} is an apocalyptic number.

It is an amenable number.

20012204463336 is an abundant number, since it is smaller than the sum of its proper divisors (36646482587994).

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

20012204463336 is a wasteful number, since it uses less digits than its factorization.

20012204463336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525420255 (or 525420225 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 20012204463336 its reverse (63336440221002), we get a palindrome (83348644684338).

The spelling of 20012204463336 in words is "twenty trillion, twelve billion, two hundred four million, four hundred sixty-three thousand, three hundred thirty-six".