4022002024420 has 48 divisors (see below), whose sum is σ = 8744563623600. Its totient is φ = 1552060751360.

The previous prime is 4022002024393. The next prime is 4022002024421. The reversal of 4022002024420 is 244202002204.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 146994026404 + 3875007998016 = 383398^2 + 1968504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4022002024391 and 4022002024400.

It is not an unprimeable number, because it can be changed into a prime (4022002024421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108371 + ... + 3534010.

It is an arithmetic number, because the mean of its divisors is an integer number (182178408825).

Almost surely, 2^{4022002024420} is an apocalyptic number.

It is an amenable number.

4022002024420 is an abundant number, since it is smaller than the sum of its proper divisors (4722561599180).

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

4022002024420 is a wasteful number, since it uses less digits than its factorization.

4022002024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643648 (or 5643646 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 4022002024420 its reverse (244202002204), we get a palindrome (4266204026624).

The spelling of 4022002024420 in words is "four trillion, twenty-two billion, two million, twenty-four thousand, four hundred twenty".