420221333022 has 32 divisors (see below), whose sum is σ = 859157535744. Its totient is φ = 136960418400.

The previous prime is 420221332987. The next prime is 420221333039. The reversal of 420221333022 is 220333122024.

It is a junction number, because it is equal to n+sod(n) for n = 420221332983 and 420221333001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431929 + ... + 1013412.

It is an arithmetic number, because the mean of its divisors is an integer number (26848672992).

Almost surely, 2^420221333022 is an apocalyptic number.

420221333022 is an abundant number, since it is smaller than the sum of its proper divisors (438936202722).

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

420221333022 is a wasteful number, since it uses less digits than its factorization.

420221333022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446424.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 420221333022 its reverse (220333122024), we get a palindrome (640554455046).

The spelling of 420221333022 in words is "four hundred twenty billion, two hundred twenty-one million, three hundred thirty-three thousand, twenty-two".