420111443022 has 48 divisors (see below), whose sum is σ = 886870927488. Its totient is φ = 132648001200.

The previous prime is 420111442973. The next prime is 420111443117. The reversal of 420111443022 is 220344111024.

It is a junction number, because it is equal to n+sod(n) for n = 420111442983 and 420111443001.

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 23 ways as a sum of consecutive naturals, for example, 315604 + ... + 969447.

It is an arithmetic number, because the mean of its divisors is an integer number (18476477656).

Almost surely, 2^420111443022 is an apocalyptic number.

420111443022 is an abundant number, since it is smaller than the sum of its proper divisors (466759484466).

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

420111443022 is a wasteful number, since it uses less digits than its factorization.

420111443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285205 (or 1285182 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 420111443022 its reverse (220344111024), we get a palindrome (640455554046).

The spelling of 420111443022 in words is "four hundred twenty billion, one hundred eleven million, four hundred forty-three thousand, twenty-two".