20113310219 has 4 divisors (see below), whose sum is σ = 20129415000. Its totient is φ = 20097205440.

The previous prime is 20113310197. The next prime is 20113310251. The reversal of 20113310219 is 91201331102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20113310219 - 2³² = 15818342923 is a prime.

It is a super-2 number, since 2×20113310219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113310194 and 20113310203.

It is not an unprimeable number, because it can be changed into a prime (20113313219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050517 + ... + 8053014.

It is an arithmetic number, because the mean of its divisors is an integer number (5032353750).

Almost surely, 2^20113310219 is an apocalyptic number.

20113310219 is a deficient number, since it is larger than the sum of its proper divisors (16104781).

20113310219 is a wasteful number, since it uses less digits than its factorization.

20113310219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104780.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 20113310219 in words is "twenty billion, one hundred thirteen million, three hundred ten thousand, two hundred nineteen".