102003023220 has 48 divisors (see below), whose sum is σ = 326409675648. Its totient is φ = 23314976640.

The previous prime is 102003023207. The next prime is 102003023237. The reversal of 102003023220 is 22320300201.

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 102003023220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121431751 + ... + 121432590.

It is an arithmetic number, because the mean of its divisors is an integer number (6800201576).

Almost surely, 2^102003023220 is an apocalyptic number.

102003023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003023220 is an abundant number, since it is smaller than the sum of its proper divisors (224406652428).

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

102003023220 is a wasteful number, since it uses less digits than its factorization.

102003023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242864360 (or 242864358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 102003023220 its reverse (22320300201), we get a palindrome (124323323421).

The spelling of 102003023220 in words is "one hundred two billion, three million, twenty-three thousand, two hundred twenty".