32421112220 has 48 divisors (see below), whose sum is σ = 77859929280. Its totient is φ = 11108772864.

The previous prime is 32421112219. The next prime is 32421112259. The reversal of 32421112220 is 2221112423.

It is a super-2 number, since 2×32421112220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32421112192 and 32421112201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151076 + ... + 296084.

It is an arithmetic number, because the mean of its divisors is an integer number (1622081860).

Almost surely, 2^32421112220 is an apocalyptic number.

It is an amenable number.

32421112220 is an abundant number, since it is smaller than the sum of its proper divisors (45438817060).

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

32421112220 is a wasteful number, since it uses less digits than its factorization.

32421112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146622 (or 146620 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32421112220 its reverse (2221112423), we get a palindrome (34642224643).

The spelling of 32421112220 in words is "thirty-two billion, four hundred twenty-one million, one hundred twelve thousand, two hundred twenty".