20023119 has 20 divisors (see below), whose sum is σ = 30099960. Its totient is φ = 13264560.

The previous prime is 20023063. The next prime is 20023121. The reversal of 20023119 is 91132002.

It is a happy number.

It is not a de Polignac number, because 20023119 - 2¹² = 20019023 is a prime.

It is a super-2 number, since 2×20023119² = 801850588976322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13809 + ... + 15189.

It is an arithmetic number, because the mean of its divisors is an integer number (1504998).

Almost surely, 2^20023119 is an apocalyptic number.

20023119 is a deficient number, since it is larger than the sum of its proper divisors (10076841).

20023119 is a wasteful number, since it uses less digits than its factorization.

20023119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20023119 is about 4474.7199912397. The cubic root of 20023119 is about 271.5463124195.

The spelling of 20023119 in words is "twenty million, twenty-three thousand, one hundred nineteen".