20650303653 has 16 divisors (see below), whose sum is σ = 33123294720. Its totient is φ = 11179111536.

The previous prime is 20650303651. The next prime is 20650303657. The reversal of 20650303653 is 35630305602.

It is not a de Polignac number, because 20650303653 - 2¹ = 20650303651 is a prime.

It is a super-2 number, since 2×20650303653² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20650303651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25877175 + ... + 25877972.

It is an arithmetic number, because the mean of its divisors is an integer number (2070205920).

Almost surely, 2^20650303653 is an apocalyptic number.

It is an amenable number.

20650303653 is a deficient number, since it is larger than the sum of its proper divisors (12472991067).

20650303653 is a wasteful number, since it uses less digits than its factorization.

20650303653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51755176.

The product of its (nonzero) digits is 48600, while the sum is 33.

The spelling of 20650303653 in words is "twenty billion, six hundred fifty million, three hundred three thousand, six hundred fifty-three".