20146232 has 16 divisors (see below), whose sum is σ = 39762600. Its totient is φ = 9542880.

The previous prime is 20146223. The next prime is 20146237. The reversal of 20146232 is 23264102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66119 + ... + 66422.

Almost surely, 2^20146232 is an apocalyptic number.

It is an amenable number.

20146232 is a deficient number, since it is larger than the sum of its proper divisors (19616368).

20146232 is a wasteful number, since it uses less digits than its factorization.

20146232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132566 (or 132562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20146232 is about 4488.4554136139. The cubic root of 20146232 is about 272.1017136898.

The spelling of 20146232 in words is "twenty million, one hundred forty-six thousand, two hundred thirty-two".