33130222320 has 160 divisors (see below), whose sum is σ = 110746036800. Its totient is φ = 8144658432.

The previous prime is 33130222261. The next prime is 33130222379. The reversal of 33130222320 is 2322203133.

It is an interprime number because it is at equal distance from previous prime (33130222261) and next prime (33130222379).

It is a super-2 number, since 2×33130222320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580076 + ... + 2592884.

It is an arithmetic number, because the mean of its divisors is an integer number (692162730).

Almost surely, 2^33130222320 is an apocalyptic number.

33130222320 is a gapful number since it is divisible by the number (30) 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 33130222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55373018400).

33130222320 is an abundant number, since it is smaller than the sum of its proper divisors (77615814480).

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

33130222320 is a wasteful number, since it uses less digits than its factorization.

33130222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13667 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33130222320 its reverse (2322203133), we get a palindrome (35452425453).

The spelling of 33130222320 in words is "thirty-three billion, one hundred thirty million, two hundred twenty-two thousand, three hundred twenty".