102444320220 has 96 divisors (see below), whose sum is σ = 313015933440. Its totient is φ = 24827439360.

The previous prime is 102444320183. The next prime is 102444320299. The reversal of 102444320220 is 22023444201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327134 + ... + 2370746.

It is an arithmetic number, because the mean of its divisors is an integer number (3260582640).

Almost surely, 2^102444320220 is an apocalyptic number.

102444320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102444320220 is an abundant number, since it is smaller than the sum of its proper divisors (210571613220).

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

102444320220 is a wasteful number, since it uses less digits than its factorization.

102444320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47195 (or 47193 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 102444320220 its reverse (22023444201), we get a palindrome (124467764421).

The spelling of 102444320220 in words is "one hundred two billion, four hundred forty-four million, three hundred twenty thousand, two hundred twenty".