22020210427 has 2 divisors, whose sum is σ = 22020210428. Its totient is φ = 22020210426.

The previous prime is 22020210383. The next prime is 22020210479. The reversal of 22020210427 is 72401202022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020210427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020210398 and 22020210407.

It is not a weakly prime, because it can be changed into another prime (22020210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010105213 + 11010105214.

It is an arithmetic number, because the mean of its divisors is an integer number (11010105214).

Almost surely, 2^22020210427 is an apocalyptic number.

22020210427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020210427 is an equidigital number, since it uses as much as digits as its factorization.

22020210427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 22020210427 its reverse (72401202022), we get a palindrome (94421412449).

The spelling of 22020210427 in words is "twenty-two billion, twenty million, two hundred ten thousand, four hundred twenty-seven".