102202010220 has 96 divisors (see below), whose sum is σ = 287276161536. Its totient is φ = 27148262400.

The previous prime is 102202010159. The next prime is 102202010231. The reversal of 102202010220 is 22010202201.

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 = 102202010196 and 102202010205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36617025 + ... + 36619815.

It is an arithmetic number, because the mean of its divisors is an integer number (2992460016).

Almost surely, 2^102202010220 is an apocalyptic number.

102202010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202010220 is an abundant number, since it is smaller than the sum of its proper divisors (185074151316).

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

102202010220 is a wasteful number, since it uses less digits than its factorization.

102202010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102202010220 its reverse (22010202201), we get a palindrome (124212212421).

The spelling of 102202010220 in words is "one hundred two billion, two hundred two million, ten thousand, two hundred twenty".