32020100220 has 48 divisors (see below), whose sum is σ = 90736490880. Its totient is φ = 8435816256.

The previous prime is 32020100201. The next prime is 32020100221. The reversal of 32020100220 is 2200102023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 32020100196 and 32020100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020100221) 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, 3209890 + ... + 3219849.

It is an arithmetic number, because the mean of its divisors is an integer number (1890343560).

Almost surely, 2^32020100220 is an apocalyptic number.

32020100220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32020100220 is an abundant number, since it is smaller than the sum of its proper divisors (58716390660).

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

32020100220 is a wasteful number, since it uses less digits than its factorization.

32020100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429834 (or 6429832 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 32020100220 its reverse (2200102023), we get a palindrome (34220202243).

The spelling of 32020100220 in words is "thirty-two billion, twenty million, one hundred thousand, two hundred twenty".