32012020220 has 48 divisors (see below), whose sum is σ = 67572374688. Its totient is φ = 12738835200.

The previous prime is 32012020189. The next prime is 32012020223. The reversal of 32012020220 is 2202021023.

It is a junction number, because it is equal to n+sod(n) for n = 32012020195 and 32012020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012020223) 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, 3879419 + ... + 3887661.

It is an arithmetic number, because the mean of its divisors is an integer number (1407757806).

Almost surely, 2^32012020220 is an apocalyptic number.

It is an amenable number.

32012020220 is an abundant number, since it is smaller than the sum of its proper divisors (35560354468).

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

32012020220 is a wasteful number, since it uses less digits than its factorization.

32012020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230 (or 9228 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 32012020220 its reverse (2202021023), we get a palindrome (34214041243).

The spelling of 32012020220 in words is "thirty-two billion, twelve million, twenty thousand, two hundred twenty".