420402442022 has 8 divisors (see below), whose sum is σ = 630621418872. Its totient is φ = 210195302400.

The previous prime is 420402442013. The next prime is 420402442043. The reversal of 420402442022 is 220244204024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×420402442022² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420402441982 and 420402442000.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2869979 + ... + 3012902.

It is an arithmetic number, because the mean of its divisors is an integer number (78827677359).

Almost surely, 2^420402442022 is an apocalyptic number.

420402442022 is a deficient number, since it is larger than the sum of its proper divisors (210218976850).

420402442022 is a wasteful number, since it uses less digits than its factorization.

420402442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918614.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 420402442022 its reverse (220244204024), we get a palindrome (640646646046).

The spelling of 420402442022 in words is "four hundred twenty billion, four hundred two million, four hundred forty-two thousand, twenty-two".