32120032320 has 84 divisors (see below), whose sum is σ = 110479537740. Its totient is φ = 8565341184.

The previous prime is 32120032213. The next prime is 32120032331. The reversal of 32120032320 is 2323002123.

It is a happy number.

32120032320 is a `hidden beast` number, since 321 + 2 + 0 + 0 + 323 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7851377664 + 24268654656 = 88608^2 + 155784^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32120032293 and 32120032302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5573515 + ... + 5579274.

Almost surely, 2^32120032320 is an apocalyptic number.

32120032320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32120032320 is an abundant number, since it is smaller than the sum of its proper divisors (78359505420).

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

32120032320 is a wasteful number, since it uses less digits than its factorization.

32120032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152812 (or 11152799 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32120032320 its reverse (2323002123), we get a palindrome (34443034443).

The spelling of 32120032320 in words is "thirty-two billion, one hundred twenty million, thirty-two thousand, three hundred twenty".