102230010020 has 12 divisors (see below), whose sum is σ = 214683021084. Its totient is φ = 40892004000.

The previous prime is 102230010019. The next prime is 102230010023. The reversal of 102230010020 is 20010032201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61635013696 + 40594996324 = 248264^2 + 201482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102230009983 and 102230010010.

It is not an unprimeable number, because it can be changed into a prime (102230010023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555750231 + ... + 2555750270.

It is an arithmetic number, because the mean of its divisors is an integer number (17890251757).

Almost surely, 2^102230010020 is an apocalyptic number.

102230010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102230010020 is an abundant number, since it is smaller than the sum of its proper divisors (112453011064).

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

102230010020 is a wasteful number, since it uses less digits than its factorization.

102230010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111500510 (or 5111500508 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102230010020 its reverse (20010032201), we get a palindrome (122240042221).

The spelling of 102230010020 in words is "one hundred two billion, two hundred thirty million, ten thousand, twenty".