20211022207 has 2 divisors, whose sum is σ = 20211022208. Its totient is φ = 20211022206.

The previous prime is 20211022177. The next prime is 20211022211. The reversal of 20211022207 is 70222011202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211022207 - 2⁷ = 20211022079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211022217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105511103 + 10105511104.

It is an arithmetic number, because the mean of its divisors is an integer number (10105511104).

Almost surely, 2^20211022207 is an apocalyptic number.

20211022207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211022207 is an equidigital number, since it uses as much as digits as its factorization.

20211022207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20211022207 its reverse (70222011202), we get a palindrome (90433033409).

The spelling of 20211022207 in words is "twenty billion, two hundred eleven million, twenty-two thousand, two hundred seven".