102321244220 has 24 divisors (see below), whose sum is σ = 231403429824. Its totient is φ = 37780151616.

The previous prime is 102321244219. The next prime is 102321244231. The reversal of 102321244220 is 22442123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196771364 + ... + 196771883.

It is an arithmetic number, because the mean of its divisors is an integer number (9641809576).

Almost surely, 2^102321244220 is an apocalyptic number.

102321244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102321244220 is an abundant number, since it is smaller than the sum of its proper divisors (129082185604).

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

102321244220 is a wasteful number, since it uses less digits than its factorization.

102321244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393543269 (or 393543267 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102321244220 its reverse (22442123201), we get a palindrome (124763367421).

The spelling of 102321244220 in words is "one hundred two billion, three hundred twenty-one million, two hundred forty-four thousand, two hundred twenty".