32231340220 has 24 divisors (see below), whose sum is σ = 67691018304. Its totient is φ = 12891544896.

The previous prime is 32231340173. The next prime is 32231340293. The reversal of 32231340220 is 2204313223.

It is a junction number, because it is equal to n+sod(n) for n = 32231340191 and 32231340200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240774 + ... + 349906.

It is an arithmetic number, because the mean of its divisors is an integer number (2820459096).

Almost surely, 2^32231340220 is an apocalyptic number.

It is an amenable number.

32231340220 is an abundant number, since it is smaller than the sum of its proper divisors (35459678084).

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

32231340220 is a wasteful number, since it uses less digits than its factorization.

32231340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123909 (or 123907 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32231340220 its reverse (2204313223), we get a palindrome (34435653443).

The spelling of 32231340220 in words is "thirty-two billion, two hundred thirty-one million, three hundred forty thousand, two hundred twenty".