20036149 has 24 divisors (see below), whose sum is σ = 25116480. Its totient is φ = 15878016.

The previous prime is 20036131. The next prime is 20036171. The reversal of 20036149 is 94163002.

It is not a de Polignac number, because 20036149 - 2⁷ = 20036021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55632 + ... + 55990.

It is an arithmetic number, because the mean of its divisors is an integer number (1046520).

Almost surely, 2^20036149 is an apocalyptic number.

It is an amenable number.

20036149 is a deficient number, since it is larger than the sum of its proper divisors (5080331).

20036149 is a wasteful number, since it uses less digits than its factorization.

20036149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20036149 is about 4476.1757114751. The cubic root of 20036149 is about 271.6052023661.

The spelling of 20036149 in words is "twenty million, thirty-six thousand, one hundred forty-nine".