420023024420 has 48 divisors (see below), whose sum is σ = 910736375808. Its totient is φ = 162547620480.

The previous prime is 420023024419. The next prime is 420023024429. The reversal of 420023024420 is 24420320024.

It is not an unprimeable number, because it can be changed into a prime (420023024429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2374154 + ... + 2544926.

It is an arithmetic number, because the mean of its divisors is an integer number (18973674496).

Almost surely, 2^420023024420 is an apocalyptic number.

It is an amenable number.

420023024420 is an abundant number, since it is smaller than the sum of its proper divisors (490713351388).

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

420023024420 is a wasteful number, since it uses less digits than its factorization.

420023024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174780 (or 174778 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 420023024420 its reverse (24420320024), we get a palindrome (444443344444).

The spelling of 420023024420 in words is "four hundred twenty billion, twenty-three million, twenty-four thousand, four hundred twenty".