102323100033220 has 72 divisors (see below), whose sum is σ = 236193583641624. Its totient is φ = 37207642560000.

The previous prime is 102323100033197. The next prime is 102323100033227. The reversal of 102323100033220 is 22330001323201.

It can be written as a sum of positive squares in 4 ways, for example, as 59776154102016 + 42546945931204 = 7731504^2 + 6522802^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102323100033191 and 102323100033200.

It is not an unprimeable number, because it can be changed into a prime (102323100033227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126164200 + ... + 126972640.

It is an arithmetic number, because the mean of its divisors is an integer number (3280466439467).

Almost surely, 2^{102323100033220} is an apocalyptic number.

102323100033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323100033220 is an abundant number, since it is smaller than the sum of its proper divisors (133870483608404).

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

102323100033220 is a wasteful number, since it uses less digits than its factorization.

102323100033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860773 (or 860760 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 102323100033220 its reverse (22330001323201), we get a palindrome (124653101356421).

The spelling of 102323100033220 in words is "one hundred two trillion, three hundred twenty-three billion, one hundred million, thirty-three thousand, two hundred twenty".