32222320020 has 288 divisors, whose sum is σ = 116399162880. Its totient is φ = 7400108160.

The previous prime is 32222319973. The next prime is 32222320021. The reversal of 32222320020 is 2002322223.

32222320020 is a `hidden beast` number, since 322 + 2 + 2 + 320 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32222319975 and 32222320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222320021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 999879 + ... + 1031601.

It is an arithmetic number, because the mean of its divisors is an integer number (404163760).

Almost surely, 2^32222320020 is an apocalyptic number.

32222320020 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 32222320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58199581440).

32222320020 is an abundant number, since it is smaller than the sum of its proper divisors (84176842860).

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

32222320020 is a wasteful number, since it uses less digits than its factorization.

32222320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31777 (or 31763 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 32222320020 its reverse (2002322223), we get a palindrome (34224642243).

It can be divided in two parts, 322223 and 20020, that added together give a palindrome (342243).

The spelling of 32222320020 in words is "thirty-two billion, two hundred twenty-two million, three hundred twenty thousand, twenty".