20938119 has 16 divisors (see below), whose sum is σ = 29812992. Its totient is φ = 13039488.

The previous prime is 20938117. The next prime is 20938193. The reversal of 20938119 is 91183902.

It is not a de Polignac number, because 20938119 - 2¹ = 20938117 is a prime.

It is a super-2 number, since 2×20938119² = 876809654516322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20938119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20938117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (1863312).

Almost surely, 2^20938119 is an apocalyptic number.

20938119 is a deficient number, since it is larger than the sum of its proper divisors (8874873).

20938119 is a wasteful number, since it uses less digits than its factorization.

20938119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 20938119 is about 4575.8189430964. The cubic root of 20938119 is about 275.6211589800.

The spelling of 20938119 in words is "twenty million, nine hundred thirty-eight thousand, one hundred nineteen".