1002102230220 has 384 divisors, whose sum is σ = 3550152001536. Its totient is φ = 205519970304.

The previous prime is 1002102230111. The next prime is 1002102230237. The reversal of 1002102230220 is 220322012001.

It is a happy number.

1002102230220 is digitally balanced in base 2, 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 1002102230220.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 307674832 + ... + 307678088.

It is an arithmetic number, because the mean of its divisors is an integer number (9245187504).

Almost surely, 2^{1002102230220} is an apocalyptic number.

1002102230220 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 1002102230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775076000768).

1002102230220 is an abundant number, since it is smaller than the sum of its proper divisors (2548049771316).

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

1002102230220 is a wasteful number, since it uses less digits than its factorization.

1002102230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849 (or 4847 counting only the distinct ones).

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

Adding to 1002102230220 its reverse (220322012001), we get a palindrome (1222424242221).

The spelling of 1002102230220 in words is "one trillion, two billion, one hundred two million, two hundred thirty thousand, two hundred twenty".