32120020213 has 8 divisors (see below), whose sum is σ = 32592885080. Its totient is φ = 31650048000.

The previous prime is 32120020189. The next prime is 32120020223. The reversal of 32120020213 is 31202002123.

It can be written as a sum of positive squares in 4 ways, for example, as 21858735409 + 10261284804 = 147847^2 + 101298^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32120020213 - 2⁵ = 32120020181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120020223) 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, 700788 + ... + 745213.

It is an arithmetic number, because the mean of its divisors is an integer number (4074110635).

Almost surely, 2^32120020213 is an apocalyptic number.

It is an amenable number.

32120020213 is a deficient number, since it is larger than the sum of its proper divisors (472864867).

32120020213 is a wasteful number, since it uses less digits than its factorization.

32120020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446327.

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

Adding to 32120020213 its reverse (31202002123), we get a palindrome (63322022336).

The spelling of 32120020213 in words is "thirty-two billion, one hundred twenty million, twenty thousand, two hundred thirteen".