442040200220 has 24 divisors (see below), whose sum is σ = 968644613664. Its totient is φ = 169128424256.

The previous prime is 442040200201. The next prime is 442040200237. The reversal of 442040200220 is 22002040244.

It is a super-2 number, since 2×442040200220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 442040200192 and 442040200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480478019 + ... + 480478938.

It is an arithmetic number, because the mean of its divisors is an integer number (40360192236).

Almost surely, 2^442040200220 is an apocalyptic number.

It is an amenable number.

442040200220 is an abundant number, since it is smaller than the sum of its proper divisors (526604413444).

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

442040200220 is a wasteful number, since it uses less digits than its factorization.

442040200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960956989 (or 960956987 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 442040200220 its reverse (22002040244), we get a palindrome (464042240464).

The spelling of 442040200220 in words is "four hundred forty-two billion, forty million, two hundred thousand, two hundred twenty".