20201120102213 has 2 divisors, whose sum is σ = 20201120102214. Its totient is φ = 20201120102212.

The previous prime is 20201120102161. The next prime is 20201120102351. The reversal of 20201120102213 is 31220102110202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18925571224609 + 1275548877604 = 4350353^2 + 1129402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201120102213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201120102191 and 20201120102200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201120104213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100560051106 + 10100560051107.

It is an arithmetic number, because the mean of its divisors is an integer number (10100560051107).

Almost surely, 2^{20201120102213} is an apocalyptic number.

It is an amenable number.

20201120102213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201120102213 is an equidigital number, since it uses as much as digits as its factorization.

20201120102213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20201120102213 its reverse (31220102110202), we get a palindrome (51421222212415).

The spelling of 20201120102213 in words is "twenty trillion, two hundred one billion, one hundred twenty million, one hundred two thousand, two hundred thirteen".