32203223220 has 192 divisors, whose sum is σ = 107793100800. Its totient is φ = 7023532032.

The previous prime is 32203223219. The next prime is 32203223231. The reversal of 32203223220 is 2232230223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4178931 + ... + 4186629.

It is an arithmetic number, because the mean of its divisors is an integer number (561422400).

Almost surely, 2^32203223220 is an apocalyptic number.

32203223220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32203223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53896550400).

32203223220 is an abundant number, since it is smaller than the sum of its proper divisors (75589877580).

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

32203223220 is a wasteful number, since it uses less digits than its factorization.

32203223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174 (or 8172 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 32203223220 its reverse (2232230223), we get a palindrome (34435453443).

The spelling of 32203223220 in words is "thirty-two billion, two hundred three million, two hundred twenty-three thousand, two hundred twenty".