102020003102220 has 48 divisors (see below), whose sum is σ = 326464009928448. Its totient is φ = 23318857851840.

The previous prime is 102020003102209. The next prime is 102020003102221. The reversal of 102020003102220 is 22201300020201.

It is a happy number.

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 102020003102220.

It is not an unprimeable number, because it can be changed into a prime (102020003102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121452384226 + ... + 121452385065.

It is an arithmetic number, because the mean of its divisors is an integer number (6801333540176).

Almost surely, 2^{102020003102220} is an apocalyptic number.

102020003102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020003102220 is an abundant number, since it is smaller than the sum of its proper divisors (224444006826228).

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

102020003102220 is a wasteful number, since it uses less digits than its factorization.

102020003102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242904769310 (or 242904769308 counting only the distinct ones).

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

Adding to 102020003102220 its reverse (22201300020201), we get a palindrome (124221303122421).

The spelling of 102020003102220 in words is "one hundred two trillion, twenty billion, three million, one hundred two thousand, two hundred twenty".