20312650650633 has 12 divisors (see below), whose sum is σ = 29769504535344. Its totient is φ = 12310697363800.

The previous prime is 20312650650623. The next prime is 20312650650671. The reversal of 20312650650633 is 33605605621302.

It is not a de Polignac number, because 20312650650633 - 2²⁴ = 20312633873417 is a prime.

It is a super-2 number, since 2×20312650650633² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20312650650623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27978857283 + ... + 27978858008.

It is an arithmetic number, because the mean of its divisors is an integer number (2480792044612).

Almost surely, 2^{20312650650633} is an apocalyptic number.

It is an amenable number.

20312650650633 is a deficient number, since it is larger than the sum of its proper divisors (9456853884711).

20312650650633 is a wasteful number, since it uses less digits than its factorization.

20312650650633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55957715316 (or 55957715305 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 20312650650633 in words is "twenty trillion, three hundred twelve billion, six hundred fifty million, six hundred fifty thousand, six hundred thirty-three".