420200430144 has 56 divisors (see below), whose sum is σ = 1212851247648. Its totient is φ = 127333463040.

The previous prime is 420200430119. The next prime is 420200430179. The reversal of 420200430144 is 441034002024.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99477157 + ... + 99481380.

Almost surely, 2^420200430144 is an apocalyptic number.

420200430144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420200430144 is an abundant number, since it is smaller than the sum of its proper divisors (792650817504).

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

420200430144 is a wasteful number, since it uses less digits than its factorization.

420200430144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198958563 (or 198958553 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 420200430144 its reverse (441034002024), we get a palindrome (861234432168).

The spelling of 420200430144 in words is "four hundred twenty billion, two hundred million, four hundred thirty thousand, one hundred forty-four".