10222120220 has 48 divisors (see below), whose sum is σ = 23127521760. Its totient is φ = 3772720896.

The previous prime is 10222120219. The next prime is 10222120283. The reversal of 10222120220 is 2202122201.

It is a junction number, because it is equal to n+sod(n) for n = 10222120195 and 10222120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732266 + ... + 746094.

It is an arithmetic number, because the mean of its divisors is an integer number (481823370).

Almost surely, 2^10222120220 is an apocalyptic number.

10222120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222120220 is an abundant number, since it is smaller than the sum of its proper divisors (12905401540).

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

10222120220 is a wasteful number, since it uses less digits than its factorization.

10222120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694 (or 16692 counting only the distinct ones).

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

Adding to 10222120220 its reverse (2202122201), we get a palindrome (12424242421).

The spelling of 10222120220 in words is "ten billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty".