32212231020 has 144 divisors (see below), whose sum is σ = 104009724000. Its totient is φ = 8046314496.

The previous prime is 32212231019. The next prime is 32212231151. The reversal of 32212231020 is 2013221223.

32212231020 is a `hidden beast` number, since 322 + 12 + 2 + 310 + 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 = 32212230984 and 32212231002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251466 + ... + 357294.

It is an arithmetic number, because the mean of its divisors is an integer number (722289750).

Almost surely, 2^32212231020 is an apocalyptic number.

32212231020 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 32212231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52004862000).

32212231020 is an abundant number, since it is smaller than the sum of its proper divisors (71797492980).

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

32212231020 is a wasteful number, since it uses less digits than its factorization.

32212231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105952 (or 105947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32212231020 its reverse (2013221223), we get a palindrome (34225452243).

The spelling of 32212231020 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-one thousand, twenty".