20119149 has 12 divisors (see below), whose sum is σ = 29679936. Its totient is φ = 13127112.

The previous prime is 20119139. The next prime is 20119153. The reversal of 20119149 is 94191102.

It is not a de Polignac number, because 20119149 - 2⁴ = 20119133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23359 + ... + 24204.

It is an arithmetic number, because the mean of its divisors is an integer number (2473328).

Almost surely, 2^20119149 is an apocalyptic number.

It is an amenable number.

20119149 is a deficient number, since it is larger than the sum of its proper divisors (9560787).

20119149 is a wasteful number, since it uses less digits than its factorization.

20119149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47616 (or 47613 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 20119149 is about 4485.4374368616. The cubic root of 20119149 is about 271.9797283407.

The spelling of 20119149 in words is "twenty million, one hundred nineteen thousand, one hundred forty-nine".