32012230520 has 64 divisors (see below), whose sum is σ = 72505368000. Its totient is φ = 12720153600.

The previous prime is 32012230513. The next prime is 32012230529. The reversal of 32012230520 is 2503221023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32012230492 and 32012230501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012230529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5577092 + ... + 5582828.

It is an arithmetic number, because the mean of its divisors is an integer number (1132896375).

Almost surely, 2^32012230520 is an apocalyptic number.

It is an amenable number.

32012230520 is an abundant number, since it is smaller than the sum of its proper divisors (40493137480).

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

32012230520 is a wasteful number, since it uses less digits than its factorization.

32012230520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648 (or 6644 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 32012230520 its reverse (2503221023), we get a palindrome (34515451543).

The spelling of 32012230520 in words is "thirty-two billion, twelve million, two hundred thirty thousand, five hundred twenty".