20073733559 has 16 divisors (see below), whose sum is σ = 22418947584. Its totient is φ = 17815660800.

The previous prime is 20073733553. The next prime is 20073733591. The reversal of 20073733559 is 95533737002.

It is a cyclic number.

It is not a de Polignac number, because 20073733559 - 2²⁸ = 19805298103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073733553) 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, 1065794 + ... + 1084464.

It is an arithmetic number, because the mean of its divisors is an integer number (1401184224).

Almost surely, 2^20073733559 is an apocalyptic number.

20073733559 is a deficient number, since it is larger than the sum of its proper divisors (2345214025).

20073733559 is a wasteful number, since it uses less digits than its factorization.

20073733559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20998.

The product of its (nonzero) digits is 595350, while the sum is 44.

The spelling of 20073733559 in words is "twenty billion, seventy-three million, seven hundred thirty-three thousand, five hundred fifty-nine".