10201222220 has 48 divisors (see below), whose sum is σ = 24532962048. Its totient is φ = 3490415040.

The previous prime is 10201222217. The next prime is 10201222231. The reversal of 10201222220 is 2222210201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10201222195 and 10201222204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5462 + ... + 142941.

It is an arithmetic number, because the mean of its divisors is an integer number (511103376).

Almost surely, 2^10201222220 is an apocalyptic number.

10201222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201222220 is an abundant number, since it is smaller than the sum of its proper divisors (14331739828).

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

10201222220 is a wasteful number, since it uses less digits than its factorization.

10201222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148910 (or 148908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10201222220 its reverse (2222210201), we get a palindrome (12423432421).

The spelling of 10201222220 in words is "ten billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty".