20035146 has 32 divisors (see below), whose sum is σ = 42923520. Its totient is φ = 6212096.

The previous prime is 20035123. The next prime is 20035151. The reversal of 20035146 is 64153002.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7975 + ... + 10181.

It is an arithmetic number, because the mean of its divisors is an integer number (1341360).

Almost surely, 2^20035146 is an apocalyptic number.

20035146 is an abundant number, since it is smaller than the sum of its proper divisors (22888374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20035146 is a wasteful number, since it uses less digits than its factorization.

20035146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20035146 is about 4476.0636724694. The cubic root of 20035146 is about 271.6006701484.

Adding to 20035146 its reverse (64153002), we get a palindrome (84188148).

The spelling of 20035146 in words is "twenty million, thirty-five thousand, one hundred forty-six".