102230220 has 96 divisors (see below), whose sum is σ = 303549120. Its totient is φ = 25661440.

The previous prime is 102230207. The next prime is 102230237. The reversal of 102230220 is 22032201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102230196 and 102230205.

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, 70624 + ... + 72056.

It is an arithmetic number, because the mean of its divisors is an integer number (3161970).

Almost surely, 2^102230220 is an apocalyptic number.

102230220 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 102230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151774560).

102230220 is an abundant number, since it is smaller than the sum of its proper divisors (201318900).

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

102230220 is a wasteful number, since it uses less digits than its factorization.

102230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102230220 is about 10110.8961027201. The cubic root of 102230220 is about 467.5841327226.

Adding to 102230220 its reverse (22032201), we get a palindrome (124262421).

The spelling of 102230220 in words is "one hundred two million, two hundred thirty thousand, two hundred twenty".