2042220004420 has 24 divisors (see below), whose sum is σ = 4361351198400. Its totient is φ = 803042441952.

The previous prime is 2042220004397. The next prime is 2042220004423. The reversal of 2042220004420 is 244000222402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2042220004391 and 2042220004400.

It is not an unprimeable number, because it can be changed into a prime (2042220004423) 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, 865346280 + ... + 865348639.

It is an arithmetic number, because the mean of its divisors is an integer number (181722966600).

Almost surely, 2^{2042220004420} is an apocalyptic number.

2042220004420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042220004420 is an abundant number, since it is smaller than the sum of its proper divisors (2319131193980).

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

2042220004420 is a wasteful number, since it uses less digits than its factorization.

2042220004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730694987 (or 1730694985 counting only the distinct ones).

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

Adding to 2042220004420 its reverse (244000222402), we get a palindrome (2286220226822).

The spelling of 2042220004420 in words is "two trillion, forty-two billion, two hundred twenty million, four thousand, four hundred twenty".