20110119 has 16 divisors (see below), whose sum is σ = 28089600. Its totient is φ = 12773376.

The previous prime is 20110109. The next prime is 20110141. The reversal of 20110119 is 91101102.

It is not a de Polignac number, because 20110119 - 2⁵ = 20110087 is a prime.

It is a super-2 number, since 2×20110119² = 808833772388322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110098 and 20110107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25767 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 2^20110119 is an apocalyptic number.

20110119 is a deficient number, since it is larger than the sum of its proper divisors (7979481).

20110119 is a wasteful number, since it uses less digits than its factorization.

20110119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 20110119 is about 4484.4307331031. The cubic root of 20110119 is about 271.9390317143.

The spelling of 20110119 in words is "twenty million, one hundred ten thousand, one hundred nineteen".