20040754 has 8 divisors (see below), whose sum is σ = 30873708. Its totient is φ = 9749520.

The previous prime is 20040737. The next prime is 20040781. The reversal of 20040754 is 45704002.

It can be written as a sum of positive squares in 2 ways, for example, as 20025625 + 15129 = 4475^2 + 123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 7.

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, 135337 + ... + 135484.

Almost surely, 2^20040754 is an apocalyptic number.

20040754 is a deficient number, since it is larger than the sum of its proper divisors (10832954).

20040754 is a wasteful number, since it uses less digits than its factorization.

20040754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270860.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20040754 is about 4476.6900719170. The cubic root of 20040754 is about 271.6260088618.

Adding to 20040754 its reverse (45704002), we get a palindrome (65744756).

The spelling of 20040754 in words is "twenty million, forty thousand, seven hundred fifty-four".