10206220 has 12 divisors (see below), whose sum is σ = 21433104. Its totient is φ = 4082480.

The previous prime is 10206199. The next prime is 10206257. The reversal of 10206220 is 2260201.

It is a happy number.

10206220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10206220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255136 + ... + 255175.

It is an arithmetic number, because the mean of its divisors is an integer number (1786092).

Almost surely, 2^10206220 is an apocalyptic number.

10206220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10206220 is an abundant number, since it is smaller than the sum of its proper divisors (11226884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10206220 is a wasteful number, since it uses less digits than its factorization.

10206220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510320 (or 510318 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10206220 is about 3194.7175148986. The cubic root of 10206220 is about 216.9143623516.

Adding to 10206220 its reverse (2260201), we get a palindrome (12466421).

The spelling of 10206220 in words is "ten million, two hundred six thousand, two hundred twenty".