420220222024 has 8 divisors (see below), whose sum is σ = 787912916310. Its totient is φ = 210110111008.

The previous prime is 420220221983. The next prime is 420220222027. The reversal of 420220222024 is 420222022024.

It can be written as a sum of positive squares in only one way, i.e., 237705002500 + 182515219524 = 487550^2 + 427218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 420220221986 and 420220222004.

It is not an unprimeable number, because it can be changed into a prime (420220222027) 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 as a sum of consecutive naturals, namely, 26263763869 + ... + 26263763884.

Almost surely, 2^420220222024 is an apocalyptic number.

It is an amenable number.

420220222024 is a deficient number, since it is larger than the sum of its proper divisors (367692694286).

420220222024 is a wasteful number, since it uses less digits than its factorization.

420220222024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52527527759 (or 52527527755 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 420220222024 its reverse (420222022024), we get a palindrome (840442244048).

The spelling of 420220222024 in words is "four hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, twenty-four".