20011110219 has 24 divisors (see below), whose sum is σ = 29843154432. Its totient is φ = 12912842880.

The previous prime is 20011110211. The next prime is 20011110253. The reversal of 20011110219 is 91201111002.

It is a happy number.

It is not a de Polignac number, because 20011110219 - 2³ = 20011110211 is a prime.

It is a super-2 number, since 2×20011110219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011110211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166644 + ... + 260369.

It is an arithmetic number, because the mean of its divisors is an integer number (1243464768).

Almost surely, 2^20011110219 is an apocalyptic number.

20011110219 is a deficient number, since it is larger than the sum of its proper divisors (9832044213).

20011110219 is a wasteful number, since it uses less digits than its factorization.

20011110219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427187 (or 427184 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 20011110219 in words is "twenty billion, eleven million, one hundred ten thousand, two hundred nineteen".