420140212224 has 56 divisors (see below), whose sum is σ = 1120305582600. Its totient is φ = 140046729216.

The previous prime is 420140212211. The next prime is 420140212237. The reversal of 420140212224 is 422212041024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420140212211) and next prime (420140212237).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 420140212194 and 420140212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8523199 + ... + 8572350.

Almost surely, 2^420140212224 is an apocalyptic number.

It is an amenable number.

420140212224 is an abundant number, since it is smaller than the sum of its proper divisors (700165370376).

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

420140212224 is an equidigital number, since it uses as much as digits as its factorization.

420140212224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095578 (or 17095554 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 420140212224 its reverse (422212041024), we get a palindrome (842352253248).

The spelling of 420140212224 in words is "four hundred twenty billion, one hundred forty million, two hundred twelve thousand, two hundred twenty-four".