420422444220113 has 8 divisors (see below), whose sum is σ = 422378336742120. Its totient is φ = 418468298814720.

The previous prime is 420422444220091. The next prime is 420422444220169. The reversal of 420422444220113 is 311022444224024.

It can be written as a sum of positive squares in 4 ways, for example, as 363810429889 + 420058633790224 = 603167^2 + 20495332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420422444220113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420422444210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436296758 + ... + 437259311.

It is an arithmetic number, because the mean of its divisors is an integer number (52797292092765).

Almost surely, 2^{420422444220113} is an apocalyptic number.

It is an amenable number.

420422444220113 is a deficient number, since it is larger than the sum of its proper divisors (1955892522007).

420422444220113 is a wasteful number, since it uses less digits than its factorization.

420422444220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873558307.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 420422444220113 its reverse (311022444224024), we get a palindrome (731444888444137).

The spelling of 420422444220113 in words is "four hundred twenty trillion, four hundred twenty-two billion, four hundred forty-four million, two hundred twenty thousand, one hundred thirteen".