420022242113 has 2 divisors, whose sum is σ = 420022242114. Its totient is φ = 420022242112.

The previous prime is 420022242091. The next prime is 420022242131. The reversal of 420022242113 is 311242220024.

Together with next prime (420022242131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419653909249 + 368332864 = 647807^2 + 19192^2 .

It is a cyclic number.

It is not a de Polignac number, because 420022242113 - 2¹⁶ = 420022176577 is a prime.

It is not a weakly prime, because it can be changed into another prime (420022242173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210011121056 + 210011121057.

It is an arithmetic number, because the mean of its divisors is an integer number (210011121057).

Almost surely, 2^420022242113 is an apocalyptic number.

It is an amenable number.

420022242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

420022242113 is an equidigital number, since it uses as much as digits as its factorization.

420022242113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 420022242113 its reverse (311242220024), we get a palindrome (731264462137).

The spelling of 420022242113 in words is "four hundred twenty billion, twenty-two million, two hundred forty-two thousand, one hundred thirteen".