32020002221 has 8 divisors (see below), whose sum is σ = 32705742720. Its totient is φ = 31334447808.

The previous prime is 32020002211. The next prime is 32020002233. The reversal of 32020002221 is 12220002023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32020002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32020002196 and 32020002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020002211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334310 + ... + 419288.

It is an arithmetic number, because the mean of its divisors is an integer number (4088217840).

Almost surely, 2^32020002221 is an apocalyptic number.

It is an amenable number.

32020002221 is a deficient number, since it is larger than the sum of its proper divisors (685740499).

32020002221 is an equidigital number, since it uses as much as digits as its factorization.

32020002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93043.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 32020002221 its reverse (12220002023), we get a palindrome (44240004244).

The spelling of 32020002221 in words is "thirty-two billion, twenty million, two thousand, two hundred twenty-one".