32321021020 has 24 divisors (see below), whose sum is σ = 67970998368. Its totient is φ = 12909960000.

The previous prime is 32321021017. The next prime is 32321021021. The reversal of 32321021020 is 2012012323.

It is a junction number, because it is equal to n+sod(n) for n = 32321020985 and 32321021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32321021021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1138656 + ... + 1166695.

It is an arithmetic number, because the mean of its divisors is an integer number (2832124932).

Almost surely, 2^32321021020 is an apocalyptic number.

It is an amenable number.

32321021020 is an abundant number, since it is smaller than the sum of its proper divisors (35649977348).

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

32321021020 is a wasteful number, since it uses less digits than its factorization.

32321021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306061 (or 2306059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32321021020 its reverse (2012012323), we get a palindrome (34333033343).

The spelling of 32321021020 in words is "thirty-two billion, three hundred twenty-one million, twenty-one thousand, twenty".