220200409 has 24 divisors (see below), whose sum is σ = 268579584. Its totient is φ = 178776000.

The previous prime is 220200403. The next prime is 220200419. The reversal of 220200409 is 904002022.

It is a happy number.

It is not a de Polignac number, because 220200409 - 2³ = 220200401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220200401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55719 + ... + 59539.

It is an arithmetic number, because the mean of its divisors is an integer number (11190816).

Almost surely, 2^220200409 is an apocalyptic number.

It is an amenable number.

220200409 is a deficient number, since it is larger than the sum of its proper divisors (48379175).

220200409 is a wasteful number, since it uses less digits than its factorization.

220200409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 220200409 is about 14839.1512223577. The cubic root of 220200409 is about 603.8643258045.

The spelling of 220200409 in words is "two hundred twenty million, two hundred thousand, four hundred nine".