420020554230 has 96 divisors (see below), whose sum is σ = 1105743506400. Its totient is φ = 110604612096.

The previous prime is 420020554211. The next prime is 420020554321. The reversal of 420020554230 is 32455020024.

It is a happy number.

420020554230 is a `hidden beast` number, since 420 + 0 + 2 + 0 + 5 + 5 + 4 + 230 = 666.

420020554230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 420020554194 and 420020554203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6270556 + ... + 6337184.

It is an arithmetic number, because the mean of its divisors is an integer number (11518161525).

Almost surely, 2^420020554230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420020554230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552871753200).

420020554230 is an abundant number, since it is smaller than the sum of its proper divisors (685722952170).

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

420020554230 is a wasteful number, since it uses less digits than its factorization.

420020554230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67518 (or 67515 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 420020554230 its reverse (32455020024), we get a palindrome (452475574254).

The spelling of 420020554230 in words is "four hundred twenty billion, twenty million, five hundred fifty-four thousand, two hundred thirty".