102203324520 has 128 divisors (see below), whose sum is σ = 335477600640. Its totient is φ = 24702935040.

The previous prime is 102203324519. The next prime is 102203324527. The reversal of 102203324520 is 25423302201.

102203324520 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (102203324527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329964 + ... + 559716.

It is an arithmetic number, because the mean of its divisors is an integer number (2620918755).

Almost surely, 2^102203324520 is an apocalyptic number.

102203324520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102203324520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167738800320).

102203324520 is an abundant number, since it is smaller than the sum of its proper divisors (233274276120).

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

102203324520 is a wasteful number, since it uses less digits than its factorization.

102203324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230115 (or 230111 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 102203324520 its reverse (25423302201), we get a palindrome (127626626721).

The spelling of 102203324520 in words is "one hundred two billion, two hundred three million, three hundred twenty-four thousand, five hundred twenty".