20201222211023 has 16 divisors (see below), whose sum is σ = 23828842248960. Its totient is φ = 16767795566016.

The previous prime is 20201222211017. The next prime is 20201222211031. The reversal of 20201222211023 is 32011222210202.

It is a cyclic number.

It is not a de Polignac number, because 20201222211023 - 2¹⁴ = 20201222194639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201222210986 and 20201222211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201222211323) 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, 364997486 + ... + 365052827.

It is an arithmetic number, because the mean of its divisors is an integer number (1489302640560).

Almost surely, 2^{20201222211023} is an apocalyptic number.

20201222211023 is a deficient number, since it is larger than the sum of its proper divisors (3627620037937).

20201222211023 is an equidigital number, since it uses as much as digits as its factorization.

20201222211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730050446.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20201222211023 its reverse (32011222210202), we get a palindrome (52212444421225).

The spelling of 20201222211023 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, twenty-three".