220036 has 6 divisors (see below), whose sum is σ = 385070. Its totient is φ = 110016.

The previous prime is 220021. The next prime is 220057. The reversal of 220036 is 630022.

220036 = 84² + 85² + ... + 107².

220036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 207936 + 12100 = 456^2 + 110^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 219998 and 220025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27501 + ... + 27508.

2²²⁰⁰³⁶ is an apocalyptic number.

It is an amenable number.

220036 is a deficient number, since it is larger than the sum of its proper divisors (165034).

220036 is a wasteful number, since it uses less digits than its factorization.

220036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55013 (or 55011 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220036 is about 469.0799505415. The cubic root of 220036 is about 60.3713999942.

Adding to 220036 its reverse (630022), we get a palindrome (850058).

The spelling of 220036 in words is "two hundred twenty thousand, thirty-six".