20210020212223 has 2 divisors, whose sum is σ = 20210020212224. Its totient is φ = 20210020212222.

The previous prime is 20210020212163. The next prime is 20210020212233. The reversal of 20210020212223 is 32221202001202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210020212223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20210020212223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210020212233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105010106111 + 10105010106112.

It is an arithmetic number, because the mean of its divisors is an integer number (10105010106112).

Almost surely, 2^{20210020212223} is an apocalyptic number.

20210020212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210020212223 is an equidigital number, since it uses as much as digits as its factorization.

20210020212223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20210020212223 its reverse (32221202001202), we get a palindrome (52431222213425).

The spelling of 20210020212223 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred twelve thousand, two hundred twenty-three".