20344641496650 has 72 divisors (see below), whose sum is σ = 57874521361644. Its totient is φ = 5106106099200.

The previous prime is 20344641496573. The next prime is 20344641496681. The reversal of 20344641496650 is 5669414644302.

20344641496650 is a `hidden beast` number, since 2 + 0 + 3 + 44 + 64 + 1 + 496 + 6 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 10276211156409 + 10068430340241 = 3205653^2 + 3173079^2 .

It is a super-2 number, since 2×20344641496650² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1329707481 + ... + 1329722780.

Almost surely, 2^{20344641496650} is an apocalyptic number.

20344641496650 is an abundant number, since it is smaller than the sum of its proper divisors (37529879864994).

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

20344641496650 is a wasteful number, since it uses less digits than its factorization.

20344641496650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659430296 (or 2659430288 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 20344641496650 in words is "twenty trillion, three hundred forty-four billion, six hundred forty-one million, four hundred ninety-six thousand, six hundred fifty".