20110391219 has 8 divisors (see below), whose sum is σ = 20655955488. Its totient is φ = 19564934400.

The previous prime is 20110391209. The next prime is 20110391263. The reversal of 20110391219 is 91219301102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110391219 is a prime.

It is a super-2 number, since 2×20110391219² (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 = 20110391191 and 20110391200.

It is not an unprimeable number, because it can be changed into a prime (20110391209) 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, 480794 + ... + 520944.

It is an arithmetic number, because the mean of its divisors is an integer number (2581994436).

Almost surely, 2^20110391219 is an apocalyptic number.

20110391219 is a deficient number, since it is larger than the sum of its proper divisors (545564269).

20110391219 is a wasteful number, since it uses less digits than its factorization.

20110391219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53725.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 20110391219 in words is "twenty billion, one hundred ten million, three hundred ninety-one thousand, two hundred nineteen".