20119138 has 32 divisors (see below), whose sum is σ = 34574400. Its totient is φ = 8703936.

The previous prime is 20119133. The next prime is 20119139. The reversal of 20119138 is 83191102.

It is not an unprimeable number, because it can be changed into a prime (20119133) 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, 68520 + ... + 68812.

It is an arithmetic number, because the mean of its divisors is an integer number (1080450).

Almost surely, 2^20119138 is an apocalyptic number.

20119138 is a deficient number, since it is larger than the sum of its proper divisors (14455262).

20119138 is a wasteful number, since it uses less digits than its factorization.

20119138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 20119138 is about 4485.4362106712. The cubic root of 20119138 is about 271.9796787731.

The spelling of 20119138 in words is "twenty million, one hundred nineteen thousand, one hundred thirty-eight".