420320414422331 has 4 divisors (see below), whose sum is σ = 420321208876464. Its totient is φ = 420319619968200.

The previous prime is 420320414422241. The next prime is 420320414422411. The reversal of 420320414422331 is 133224414023024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420320414422331 - 2²² = 420320410228027 is a prime.

It is a super-2 number, since 2×420320414422331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420320414422291 and 420320414422300.

It is not an unprimeable number, because it can be changed into a prime (420320414428331) 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 3 ways as a sum of consecutive naturals, for example, 396432935 + ... + 397491776.

It is an arithmetic number, because the mean of its divisors is an integer number (105080302219116).

Almost surely, 2^{420320414422331} is an apocalyptic number.

420320414422331 is a deficient number, since it is larger than the sum of its proper divisors (794454133).

420320414422331 is an equidigital number, since it uses as much as digits as its factorization.

420320414422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794454132.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 420320414422331 its reverse (133224414023024), we get a palindrome (553544828445355).

The spelling of 420320414422331 in words is "four hundred twenty trillion, three hundred twenty billion, four hundred fourteen million, four hundred twenty-two thousand, three hundred thirty-one".