20136754 has 16 divisors (see below), whose sum is σ = 33177600. Its totient is φ = 9090160.

The previous prime is 20136733. The next prime is 20136773. The reversal of 20136754 is 45763102.

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 7 ways as a sum of consecutive naturals, for example, 207 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^20136754 is an apocalyptic number.

20136754 is a deficient number, since it is larger than the sum of its proper divisors (13040846).

20136754 is a wasteful number, since it uses less digits than its factorization.

20136754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20136754 is about 4487.3994696260. The cubic root of 20136754 is about 272.0590359890.

Adding to 20136754 its reverse (45763102), we get a palindrome (65899856).

The spelling of 20136754 in words is "twenty million, one hundred thirty-six thousand, seven hundred fifty-four".