102031032220 has 96 divisors (see below), whose sum is σ = 239931772416. Its totient is φ = 36191232000.

The previous prime is 102031032199. The next prime is 102031032223. The reversal of 102031032220 is 22230130201.

It is a junction number, because it is equal to n+sod(n) for n = 102031032194 and 102031032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031032223) 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, 1058020 + ... + 1150420.

It is an arithmetic number, because the mean of its divisors is an integer number (2499289296).

Almost surely, 2^102031032220 is an apocalyptic number.

102031032220 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 102031032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119965886208).

102031032220 is an abundant number, since it is smaller than the sum of its proper divisors (137900740196).

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

102031032220 is a wasteful number, since it uses less digits than its factorization.

102031032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92591 (or 92589 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102031032220 its reverse (22230130201), we get a palindrome (124261162421).

The spelling of 102031032220 in words is "one hundred two billion, thirty-one million, thirty-two thousand, two hundred twenty".