32020132221 has 128 divisors (see below), whose sum is σ = 61223731200. Its totient is φ = 16051608000.

The previous prime is 32020132217. The next prime is 32020132301. The reversal of 32020132221 is 12223102023.

32020132221 is a `hidden beast` number, since 320 + 2 + 0 + 1 + 322 + 21 = 666.

It is not a de Polignac number, because 32020132221 - 2² = 32020132217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32020132194 and 32020132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020132211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44533900 + ... + 44534618.

It is an arithmetic number, because the mean of its divisors is an integer number (478310400).

Almost surely, 2^32020132221 is an apocalyptic number.

32020132221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32020132221 is a deficient number, since it is larger than the sum of its proper divisors (29203598979).

32020132221 is a wasteful number, since it uses less digits than its factorization.

32020132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32020132221 its reverse (12223102023), we get a palindrome (44243234244).

The spelling of 32020132221 in words is "thirty-two billion, twenty million, one hundred thirty-two thousand, two hundred twenty-one".