420242110022 has 16 divisors (see below), whose sum is σ = 720424258080. Its totient is φ = 180101458368.

The previous prime is 420242109967. The next prime is 420242110027. The reversal of 420242110022 is 220011242024.

It is a junction number, because it is equal to n+sod(n) for n = 420242109976 and 420242110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420242110027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393754 + ... + 1668242.

It is an arithmetic number, because the mean of its divisors is an integer number (45026516130).

Almost surely, 2^420242110022 is an apocalyptic number.

420242110022 is a deficient number, since it is larger than the sum of its proper divisors (300182148058).

420242110022 is a wasteful number, since it uses less digits than its factorization.

420242110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383855.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 420242110022 its reverse (220011242024), we get a palindrome (640253352046).

The spelling of 420242110022 in words is "four hundred twenty billion, two hundred forty-two million, one hundred ten thousand, twenty-two".