20036146 has 16 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 8760528.

The previous prime is 20036131. The next prime is 20036171. The reversal of 20036146 is 64163002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19786 + ... + 20773.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^20036146 is an apocalyptic number.

20036146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20036146 is a deficient number, since it is larger than the sum of its proper divisors (14034254).

20036146 is a wasteful number, since it uses less digits than its factorization.

20036146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40593.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20036146 is about 4476.1753763676. The cubic root of 20036146 is about 271.6051888103.

Adding to 20036146 its reverse (64163002), we get a palindrome (84199148).

The spelling of 20036146 in words is "twenty million, thirty-six thousand, one hundred forty-six".