10256201220 has 48 divisors (see below), whose sum is σ = 28789766208. Its totient is φ = 2728091520.

The previous prime is 10256201191. The next prime is 10256201309. The reversal of 10256201220 is 2210265201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191466 + ... + 239105.

It is an arithmetic number, because the mean of its divisors is an integer number (599786796).

Almost surely, 2^10256201220 is an apocalyptic number.

10256201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10256201220 is an abundant number, since it is smaller than the sum of its proper divisors (18533564988).

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

10256201220 is a wasteful number, since it uses less digits than its factorization.

10256201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430980 (or 430978 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10256201220 its reverse (2210265201), we get a palindrome (12466466421).

The spelling of 10256201220 in words is "ten billion, two hundred fifty-six million, two hundred one thousand, two hundred twenty".