102230020 has 24 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 40620000.

The previous prime is 102229997. The next prime is 102230039. The reversal of 102230020 is 20032201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102229979 and 102230006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13906 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (9004632).

Almost surely, 2^102230020 is an apocalyptic number.

102230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102230020 is an abundant number, since it is smaller than the sum of its proper divisors (113881148).

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

102230020 is a wasteful number, since it uses less digits than its factorization.

102230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34011 (or 34009 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102230020 is about 10110.8862123950. The cubic root of 102230020 is about 467.5838278001.

Adding to 102230020 its reverse (20032201), we get a palindrome (122262221).

The spelling of 102230020 in words is "one hundred two million, two hundred thirty thousand, twenty".