32200022220 has 24 divisors (see below), whose sum is σ = 90160062384. Its totient is φ = 8586672576.

The previous prime is 32200022213. The next prime is 32200022233. The reversal of 32200022220 is 2222000223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32200022220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268333459 + ... + 268333578.

It is an arithmetic number, because the mean of its divisors is an integer number (3756669266).

Almost surely, 2^32200022220 is an apocalyptic number.

32200022220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32200022220 is an abundant number, since it is smaller than the sum of its proper divisors (57960040164).

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

32200022220 is a wasteful number, since it uses less digits than its factorization.

32200022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536667049 (or 536667047 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 32200022220 its reverse (2222000223), we get a palindrome (34422022443).

The spelling of 32200022220 in words is "thirty-two billion, two hundred million, twenty-two thousand, two hundred twenty".