20765065244 has 48 divisors (see below), whose sum is σ = 45328308480. Its totient is φ = 8086229760.

The previous prime is 20765065241. The next prime is 20765065309. The reversal of 20765065244 is 44256056702.

It is a super-3 number, since 3×20765065244³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20765065241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639899 + ... + 671565.

It is an arithmetic number, because the mean of its divisors is an integer number (944339760).

Almost surely, 2^20765065244 is an apocalyptic number.

It is an amenable number.

20765065244 is an abundant number, since it is smaller than the sum of its proper divisors (24563243236).

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

20765065244 is a wasteful number, since it uses less digits than its factorization.

20765065244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33818 (or 33816 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 20765065244 in words is "twenty billion, seven hundred sixty-five million, sixty-five thousand, two hundred forty-four".