20850273 has 6 divisors (see below), whose sum is σ = 30117074. Its totient is φ = 13900176.

The previous prime is 20850251. The next prime is 20850287. The reversal of 20850273 is 37205802.

It can be written as a sum of positive squares in only one way, i.e., 20223009 + 627264 = 4497^2 + 792^2 .

It is not a de Polignac number, because 20850273 - 2⁵ = 20850241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20850223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1158340 + ... + 1158357.

Almost surely, 2^20850273 is an apocalyptic number.

It is an amenable number.

20850273 is a deficient number, since it is larger than the sum of its proper divisors (9266801).

20850273 is a wasteful number, since it uses less digits than its factorization.

20850273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316703 (or 2316700 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20850273 is about 4566.2099163310. The cubic root of 20850273 is about 275.2351619330.

The spelling of 20850273 in words is "twenty million, eight hundred fifty thousand, two hundred seventy-three".