102010220220 has 96 divisors (see below), whose sum is σ = 289402122240. Its totient is φ = 26845344000.

The previous prime is 102010220209. The next prime is 102010220227. The reversal of 102010220220 is 22022010201.

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 = 102010220196 and 102010220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010220227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1610469 + ... + 1672611.

It is an arithmetic number, because the mean of its divisors is an integer number (3014605440).

Almost surely, 2^102010220220 is an apocalyptic number.

102010220220 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 102010220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144701061120).

102010220220 is an abundant number, since it is smaller than the sum of its proper divisors (187391902020).

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

102010220220 is a wasteful number, since it uses less digits than its factorization.

102010220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62515 (or 62513 counting only the distinct ones).

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

Adding to 102010220220 its reverse (22022010201), we get a palindrome (124032230421).

The spelling of 102010220220 in words is "one hundred two billion, ten million, two hundred twenty thousand, two hundred twenty".