20163313491050 has 96 divisors (see below), whose sum is σ = 38257118106480. Its totient is φ = 7904774707200.

The previous prime is 20163313491023. The next prime is 20163313491067. The reversal of 20163313491050 is 5019431336102.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 1033213293841 + 19130100197209 = 1016471^2 + 4373797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20163313490995 and 20163313491013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 907061336 + ... + 907083564.

Almost surely, 2^{20163313491050} is an apocalyptic number.

20163313491050 is a deficient number, since it is larger than the sum of its proper divisors (18093804615430).

20163313491050 is a wasteful number, since it uses less digits than its factorization.

20163313491050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23868 (or 23863 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 20163313491050 in words is "twenty trillion, one hundred sixty-three billion, three hundred thirteen million, four hundred ninety-one thousand, fifty".