20795379759 has 48 divisors (see below), whose sum is σ = 37515988224. Its totient is φ = 10783670400.

The previous prime is 20795379757. The next prime is 20795379763. The reversal of 20795379759 is 95797359702.

20795379759 is a `hidden beast` number, since 2 + 0 + 7 + 9 + 537 + 97 + 5 + 9 = 666.

It is not a de Polignac number, because 20795379759 - 2¹ = 20795379757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 20795379696 and 20795379705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20795379757) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369427 + ... + 421979.

It is an arithmetic number, because the mean of its divisors is an integer number (781583088).

Almost surely, 2^20795379759 is an apocalyptic number.

20795379759 is a deficient number, since it is larger than the sum of its proper divisors (16720608465).

20795379759 is a wasteful number, since it uses less digits than its factorization.

20795379759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53148 (or 53145 counting only the distinct ones).

The product of its (nonzero) digits is 37507050, while the sum is 63.

The spelling of 20795379759 in words is "twenty billion, seven hundred ninety-five million, three hundred seventy-nine thousand, seven hundred fifty-nine".