420431110422 has 16 divisors (see below), whose sum is σ = 842869056960. Its totient is φ = 139809230792.

The previous prime is 420431110399. The next prime is 420431110441. The reversal of 420431110422 is 224011134024.

It is a super-2 number, since 2×420431110422² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420431110392 and 420431110401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83615448 + ... + 83620475.

It is an arithmetic number, because the mean of its divisors is an integer number (52679316060).

Almost surely, 2^420431110422 is an apocalyptic number.

420431110422 is an abundant number, since it is smaller than the sum of its proper divisors (422437946538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420431110422 is a wasteful number, since it uses less digits than its factorization.

420431110422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167236347.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 420431110422 its reverse (224011134024), we get a palindrome (644442244446).

The spelling of 420431110422 in words is "four hundred twenty billion, four hundred thirty-one million, one hundred ten thousand, four hundred twenty-two".