33210020213 has 8 divisors (see below), whose sum is σ = 34128724056. Its totient is φ = 32296492800.

The previous prime is 33210020171. The next prime is 33210020267. The reversal of 33210020213 is 31202001233.

It can be written as a sum of positive squares in 4 ways, for example, as 1690278769 + 31519741444 = 41113^2 + 177538^2 .

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 33210020213 - 2²⁴ = 33193242997 is a prime.

It is a super-2 number, since 2×33210020213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33210020191 and 33210020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33210020273) 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, 1281098 + ... + 1306763.

It is an arithmetic number, because the mean of its divisors is an integer number (4266090507).

Almost surely, 2^33210020213 is an apocalyptic number.

It is an amenable number.

33210020213 is a deficient number, since it is larger than the sum of its proper divisors (918703843).

33210020213 is a wasteful number, since it uses less digits than its factorization.

33210020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588215.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33210020213 its reverse (31202001233), we get a palindrome (64412021446).

The spelling of 33210020213 in words is "thirty-three billion, two hundred ten million, twenty thousand, two hundred thirteen".