20249119 has 4 divisors (see below), whose sum is σ = 22089960. Its totient is φ = 18408280.

The previous prime is 20249113. The next prime is 20249123. The reversal of 20249119 is 91194202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20249119 - 2³ = 20249111 is a prime.

It is a super-2 number, since 2×20249119² = 820053640552322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20249111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920404 + ... + 920425.

It is an arithmetic number, because the mean of its divisors is an integer number (5522490).

Almost surely, 2^20249119 is an apocalyptic number.

20249119 is a deficient number, since it is larger than the sum of its proper divisors (1840841).

20249119 is a wasteful number, since it uses less digits than its factorization.

20249119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840840.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 20249119 is about 4499.9021100464. The cubic root of 20249119 is about 272.5641360694.

The spelling of 20249119 in words is "twenty million, two hundred forty-nine thousand, one hundred nineteen".