20373383519 has 8 divisors (see below), whose sum is σ = 20928889728. Its totient is φ = 19818133920.

The previous prime is 20373383507. The next prime is 20373383533. The reversal of 20373383519 is 91538337302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20373383519 - 2³² = 16078416223 is a prime.

It is a super-2 number, since 2×20373383519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20373383519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373323519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102629 + ... + 226449.

It is an arithmetic number, because the mean of its divisors is an integer number (2616111216).

Almost surely, 2^20373383519 is an apocalyptic number.

20373383519 is a deficient number, since it is larger than the sum of its proper divisors (555506209).

20373383519 is a wasteful number, since it uses less digits than its factorization.

20373383519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128305.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 20373383519 in words is "twenty billion, three hundred seventy-three million, three hundred eighty-three thousand, five hundred nineteen".