420023024422 has 4 divisors (see below), whose sum is σ = 630034536636. Its totient is φ = 210011512210.

The previous prime is 420023024419. The next prime is 420023024429. The reversal of 420023024422 is 224420320024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005756104 + ... + 105005756107.

It is an arithmetic number, because the mean of its divisors is an integer number (157508634159).

Almost surely, 2^420023024422 is an apocalyptic number.

420023024422 is a deficient number, since it is larger than the sum of its proper divisors (210011512214).

420023024422 is a wasteful number, since it uses less digits than its factorization.

420023024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210011512213.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 420023024422 its reverse (224420320024), we get a palindrome (644443344446).

The spelling of 420023024422 in words is "four hundred twenty billion, twenty-three million, twenty-four thousand, four hundred twenty-two".