20102119 has 2 divisors, whose sum is σ = 20102120. Its totient is φ = 20102118.

The previous prime is 20102111. The next prime is 20102129. The reversal of 20102119 is 91120102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102119 - 2³ = 20102111 is a prime.

It is a super-2 number, since 2×20102119² = 808190376580322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051059 + 10051060.

It is an arithmetic number, because the mean of its divisors is an integer number (10051060).

Almost surely, 2^20102119 is an apocalyptic number.

20102119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102119 is an equidigital number, since it uses as much as digits as its factorization.

20102119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 20102119 is about 4483.5386693994. The cubic root of 20102119 is about 271.9029669385.

The spelling of 20102119 in words is "twenty million, one hundred two thousand, one hundred nineteen".