22020001057 has 2 divisors, whose sum is σ = 22020001058. Its totient is φ = 22020001056.

The previous prime is 22020001007. The next prime is 22020001061. The reversal of 22020001057 is 75010002022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21806724241 + 213276816 = 147671^2 + 14604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020001057 is a prime.

It is a super-2 number, since 2×22020001057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22020001007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010000528 + 11010000529.

It is an arithmetic number, because the mean of its divisors is an integer number (11010000529).

Almost surely, 2^22020001057 is an apocalyptic number.

It is an amenable number.

22020001057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020001057 is an equidigital number, since it uses as much as digits as its factorization.

22020001057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

Adding to 22020001057 its reverse (75010002022), we get a palindrome (97030003079).

The spelling of 22020001057 in words is "twenty-two billion, twenty million, one thousand, fifty-seven".