102021003320 has 32 divisors (see below), whose sum is σ = 229986209520. Its totient is φ = 40730365440.

The previous prime is 102021003283. The next prime is 102021003341. The reversal of 102021003320 is 23300120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102021003295 and 102021003304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2417441 + ... + 2459280.

Almost surely, 2^102021003320 is an apocalyptic number.

102021003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102021003320 is an abundant number, since it is smaller than the sum of its proper divisors (127965206200).

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

102021003320 is a wasteful number, since it uses less digits than its factorization.

102021003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877255 (or 4877251 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102021003320 its reverse (23300120201), we get a palindrome (125321123521).

The spelling of 102021003320 in words is "one hundred two billion, twenty-one million, three thousand, three hundred twenty".