32020203220 has 12 divisors (see below), whose sum is σ = 67242426804. Its totient is φ = 12808081280.

The previous prime is 32020203209. The next prime is 32020203221. The reversal of 32020203220 is 2230202023.

It can be written as a sum of positive squares in 2 ways, for example, as 9875191876 + 22145011344 = 99374^2 + 148812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32020203194 and 32020203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020203221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800505061 + ... + 800505100.

It is an arithmetic number, because the mean of its divisors is an integer number (5603535567).

Almost surely, 2^32020203220 is an apocalyptic number.

It is an amenable number.

32020203220 is an abundant number, since it is smaller than the sum of its proper divisors (35222223584).

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

32020203220 is a wasteful number, since it uses less digits than its factorization.

32020203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601010170 (or 1601010168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 32020203220 its reverse (2230202023), we get a palindrome (34250405243).

The spelling of 32020203220 in words is "thirty-two billion, twenty million, two hundred three thousand, two hundred twenty".