20698800033 has 8 divisors (see below), whose sum is σ = 27947747200. Its totient is φ = 13624526448.

The previous prime is 20698800011. The next prime is 20698800053. The reversal of 20698800033 is 33000889602.

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

It is not a de Polignac number, because 20698800033 - 2¹⁴ = 20698783649 is a prime.

It is a super-4 number, since 4×20698800033⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20698799964 and 20698800000.

It is not an unprimeable number, because it can be changed into a prime (20698800053) 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, 43668118 + ... + 43668591.

It is an arithmetic number, because the mean of its divisors is an integer number (3493468400).

Almost surely, 2^20698800033 is an apocalyptic number.

It is an amenable number.

20698800033 is a deficient number, since it is larger than the sum of its proper divisors (7248947167).

20698800033 is an equidigital number, since it uses as much as digits as its factorization.

20698800033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87336791.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 20698800033 in words is "twenty billion, six hundred ninety-eight million, eight hundred thousand, thirty-three".