20036768 has 24 divisors (see below), whose sum is σ = 40007520. Its totient is φ = 9876160.

The previous prime is 20036743. The next prime is 20036777. The reversal of 20036768 is 86763002.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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, 2138 + ... + 6681.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^20036768 is an apocalyptic number.

It is an amenable number.

20036768 is a deficient number, since it is larger than the sum of its proper divisors (19970752).

20036768 is an equidigital number, since it uses as much as digits as its factorization.

20036768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20036768 is about 4476.2448547862. The cubic root of 20036768 is about 271.6079993422.

The spelling of 20036768 in words is "twenty million, thirty-six thousand, seven hundred sixty-eight".