102223434420 has 36 divisors (see below), whose sum is σ = 310077751620. Its totient is φ = 27259582464.

The previous prime is 102223434413. The next prime is 102223434457. The reversal of 102223434420 is 24434322201.

102223434420 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 234 + 3 + 4 + 420 = 666.

102223434420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64055560464 + 38167873956 = 253092^2 + 195366^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283953805 + ... + 283954164.

Almost surely, 2^102223434420 is an apocalyptic number.

102223434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102223434420 is an abundant number, since it is smaller than the sum of its proper divisors (207854317200).

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

102223434420 is a wasteful number, since it uses less digits than its factorization.

102223434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567907984 (or 567907979 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 102223434420 its reverse (24434322201), we get a palindrome (126657756621).

The spelling of 102223434420 in words is "one hundred two billion, two hundred twenty-three million, four hundred thirty-four thousand, four hundred twenty".