10120322220 has 48 divisors (see below), whose sum is σ = 28349945568. Its totient is φ = 2697510400.

The previous prime is 10120322213. The next prime is 10120322269. The reversal of 10120322220 is 2222302101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10120322220.

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, 96520 + ... + 171920.

It is an arithmetic number, because the mean of its divisors is an integer number (590623866).

Almost surely, 2^10120322220 is an apocalyptic number.

10120322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120322220 is an abundant number, since it is smaller than the sum of its proper divisors (18229623348).

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

10120322220 is a wasteful number, since it uses less digits than its factorization.

10120322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77650 (or 77648 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10120322220 its reverse (2222302101), we get a palindrome (12342624321).

The spelling of 10120322220 in words is "ten billion, one hundred twenty million, three hundred twenty-two thousand, two hundred twenty".