20157119 has 16 divisors (see below), whose sum is σ = 22243680. Its totient is φ = 18195840.

The previous prime is 20157107. The next prime is 20157127. The reversal of 20157119 is 91175102.

It is a cyclic number.

It is not a de Polignac number, because 20157119 - 2⁸ = 20156863 is a prime.

It is a super-2 number, since 2×20157119² = 812618892760322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20157149) 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, 36989 + ... + 37529.

It is an arithmetic number, because the mean of its divisors is an integer number (1390230).

Almost surely, 2^20157119 is an apocalyptic number.

20157119 is a deficient number, since it is larger than the sum of its proper divisors (2086561).

20157119 is a wasteful number, since it uses less digits than its factorization.

20157119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 20157119 is about 4489.6680278168. The cubic root of 20157119 is about 272.1507193450.

It can be divided in two parts, 201571 and 19, that multiplied together give a square (3829849 = 1957²).

The spelling of 20157119 in words is "twenty million, one hundred fifty-seven thousand, one hundred nineteen".