32000302021 has 4 divisors (see below), whose sum is σ = 32059452844. Its totient is φ = 31941151200.

The previous prime is 32000302007. The next prime is 32000302051. The reversal of 32000302021 is 12020300023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12020300023 = 43 ⋅279541861.

It can be written as a sum of positive squares in 2 ways, for example, as 23666437921 + 8333864100 = 153839^2 + 91290^2 .

It is a cyclic number.

It is not a de Polignac number, because 32000302021 - 2¹¹ = 32000299973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32000301992 and 32000302010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32000302051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29574600 + ... + 29575681.

It is an arithmetic number, because the mean of its divisors is an integer number (8014863211).

Almost surely, 2^32000302021 is an apocalyptic number.

It is an amenable number.

32000302021 is a deficient number, since it is larger than the sum of its proper divisors (59150823).

32000302021 is an equidigital number, since it uses as much as digits as its factorization.

32000302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59150822.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 32000302021 its reverse (12020300023), we get a palindrome (44020602044).

The spelling of 32000302021 in words is "thirty-two billion, three hundred two thousand, twenty-one".