102330020 has 24 divisors (see below), whose sum is σ = 231423864. Its totient is φ = 37783296.

The previous prime is 102329959. The next prime is 102330023. The reversal of 102330020 is 20033201.

It can be written as a sum of positive squares in 4 ways, for example, as 2849344 + 99480676 = 1688^2 + 9974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102329983 and 102330010.

It is not an unprimeable number, because it can be changed into a prime (102330023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196529 + ... + 197048.

It is an arithmetic number, because the mean of its divisors is an integer number (9642661).

Almost surely, 2^102330020 is an apocalyptic number.

102330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102330020 is an abundant number, since it is smaller than the sum of its proper divisors (129093844).

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

102330020 is a wasteful number, since it uses less digits than its factorization.

102330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393599 (or 393597 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 102330020 is about 10115.8301686021. The cubic root of 102330020 is about 467.7362394724.

Adding to 102330020 its reverse (20033201), we get a palindrome (122363221).

The spelling of 102330020 in words is "one hundred two million, three hundred thirty thousand, twenty".