32032431220 has 24 divisors (see below), whose sum is σ = 71225053704. Its totient is φ = 12059268096.

The previous prime is 32032431199. The next prime is 32032431241. The reversal of 32032431220 is 2213423023.

It is an interprime number because it is at equal distance from previous prime (32032431199) and next prime (32032431241).

It can be written as a sum of positive squares in 4 ways, for example, as 815902096 + 31216529124 = 28564^2 + 176682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32032431191 and 32032431200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47106177 + ... + 47106856.

It is an arithmetic number, because the mean of its divisors is an integer number (2967710571).

Almost surely, 2^32032431220 is an apocalyptic number.

It is an amenable number.

32032431220 is an abundant number, since it is smaller than the sum of its proper divisors (39192622484).

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

32032431220 is a wasteful number, since it uses less digits than its factorization.

32032431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94213059 (or 94213057 counting only the distinct ones).

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

Adding to 32032431220 its reverse (2213423023), we get a palindrome (34245854243).

The spelling of 32032431220 in words is "thirty-two billion, thirty-two million, four hundred thirty-one thousand, two hundred twenty".