102003323220 has 96 divisors (see below), whose sum is σ = 322080259200. Its totient is φ = 26794893312.

The previous prime is 102003323207. The next prime is 102003323243. The reversal of 102003323220 is 22323300201.

It is a happy number.

102003323220 is a `hidden beast` number, since 10 + 2 + 0 + 0 + 332 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102003323193 and 102003323202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373485 + ... + 1445844.

It is an arithmetic number, because the mean of its divisors is an integer number (3355002700).

Almost surely, 2^102003323220 is an apocalyptic number.

102003323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003323220 is an abundant number, since it is smaller than the sum of its proper divisors (220076935980).

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

102003323220 is a wasteful number, since it uses less digits than its factorization.

102003323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819414 (or 2819406 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 102003323220 its reverse (22323300201), we get a palindrome (124326623421).

The spelling of 102003323220 in words is "one hundred two billion, three million, three hundred twenty-three thousand, two hundred twenty".