20332021312213 has 16 divisors (see below), whose sum is σ = 22055915411712. Its totient is φ = 18631136880000.

The previous prime is 20332021312147. The next prime is 20332021312259. The reversal of 20332021312213 is 31221312023302.

It is a cyclic number.

It is not a de Polignac number, because 20332021312213 - 2²¹ = 20332019215061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332021312913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589633 + ... + 6404038.

It is an arithmetic number, because the mean of its divisors is an integer number (1378494713232).

Almost surely, 2^{20332021312213} is an apocalyptic number.

It is an amenable number.

20332021312213 is a deficient number, since it is larger than the sum of its proper divisors (1723894099499).

20332021312213 is a wasteful number, since it uses less digits than its factorization.

20332021312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995316.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20332021312213 its reverse (31221312023302), we get a palindrome (51553333335515).

The spelling of 20332021312213 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, three hundred twelve thousand, two hundred thirteen".