420022242004 has 6 divisors (see below), whose sum is σ = 735038923514. Its totient is φ = 210011121000.

The previous prime is 420022242001. The next prime is 420022242047. The reversal of 420022242004 is 400242220024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 335933841604 + 84088400400 = 579598^2 + 289980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420022242001) 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, 52502780247 + ... + 52502780254.

Almost surely, 2^420022242004 is an apocalyptic number.

It is an amenable number.

420022242004 is a deficient number, since it is larger than the sum of its proper divisors (315016681510).

420022242004 is a wasteful number, since it uses less digits than its factorization.

420022242004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105005560505 (or 105005560503 counting only the distinct ones).

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

Adding to 420022242004 its reverse (400242220024), we get a palindrome (820264462028).

The spelling of 420022242004 in words is "four hundred twenty billion, twenty-two million, two hundred forty-two thousand, four".