20754404 has 36 divisors (see below), whose sum is σ = 40342092. Its totient is φ = 9335040.

The previous prime is 20754367. The next prime is 20754413. The reversal of 20754404 is 40445702.

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 16386304 = 2090^2 + 4048^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66152 + ... + 66464.

Almost surely, 2^20754404 is an apocalyptic number.

It is an amenable number.

20754404 is a deficient number, since it is larger than the sum of its proper divisors (19587688).

20754404 is a wasteful number, since it uses less digits than its factorization.

20754404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 20754404 is about 4555.7001657264. The cubic root of 20754404 is about 274.8126724231.

The spelling of 20754404 in words is "twenty million, seven hundred fifty-four thousand, four hundred four".