20132764 has 24 divisors (see below), whose sum is σ = 36579200. Its totient is φ = 9685440.

The previous prime is 20132713. The next prime is 20132803. The reversal of 20132764 is 46723102.

It is a plaindrome in base 16.

It is a congruent number.

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, 28042 + ... + 28750.

Almost surely, 2^20132764 is an apocalyptic number.

It is an amenable number.

20132764 is a deficient number, since it is larger than the sum of its proper divisors (16446436).

20132764 is a wasteful number, since it uses less digits than its factorization.

20132764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20132764 is about 4486.9548693964. The cubic root of 20132764 is about 272.0410657432.

Adding to 20132764 its reverse (46723102), we get a palindrome (66855866).

The spelling of 20132764 in words is "twenty million, one hundred thirty-two thousand, seven hundred sixty-four".