20090276 has 12 divisors (see below), whose sum is σ = 35353500. Its totient is φ = 9989280.

The previous prime is 20090269. The next prime is 20090299. The reversal of 20090276 is 67209002.

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 18062500 = 1424^2 + 4250^2 .

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, 13151 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (2946125).

Almost surely, 2^20090276 is an apocalyptic number.

It is an amenable number.

20090276 is a deficient number, since it is larger than the sum of its proper divisors (15263224).

20090276 is a wasteful number, since it uses less digits than its factorization.

20090276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27934 (or 27932 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20090276 is about 4482.2177546389. The cubic root of 20090276 is about 271.8495599748.

Adding to 20090276 its reverse (67209002), we get a palindrome (87299278).

The spelling of 20090276 in words is "twenty million, ninety thousand, two hundred seventy-six".