102220202220 has 96 divisors (see below), whose sum is σ = 295251269376. Its totient is φ = 26411616000.

The previous prime is 102220202209. The next prime is 102220202257. The reversal of 102220202220 is 22202022201.

102220202220 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 102220202220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36795 + ... + 453645.

It is an arithmetic number, because the mean of its divisors is an integer number (3075534056).

Almost surely, 2^102220202220 is an apocalyptic number.

102220202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147625634688).

102220202220 is an abundant number, since it is smaller than the sum of its proper divisors (193031067156).

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

102220202220 is a wasteful number, since it uses less digits than its factorization.

102220202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416991 (or 416989 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 102220202220 its reverse (22202022201), we get a palindrome (124422224421).

The spelling of 102220202220 in words is "one hundred two billion, two hundred twenty million, two hundred two thousand, two hundred twenty".