20636076 has 24 divisors (see below), whose sum is σ = 48968640. Its totient is φ = 6761872.

The previous prime is 20636059. The next prime is 20636089. The reversal of 20636076 is 67063602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13866 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (2040360).

Almost surely, 2^20636076 is an apocalyptic number.

It is an amenable number.

20636076 is an abundant number, since it is smaller than the sum of its proper divisors (28332564).

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

20636076 is a wasteful number, since it uses less digits than its factorization.

20636076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29213 (or 29211 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 20636076 is about 4542.6947949428. The cubic root of 20636076 is about 274.2894095174.

Adding to 20636076 its reverse (67063602), we get a palindrome (87699678).

The spelling of 20636076 in words is "twenty million, six hundred thirty-six thousand, seventy-six".