2042222020420 has 24 divisors (see below), whose sum is σ = 4436551287000. Its totient is φ = 788720228352.

The previous prime is 2042222020361. The next prime is 2042222020441. The reversal of 2042222020420 is 240202222402.

It can be written as a sum of positive squares in 4 ways, for example, as 51645289536 + 1990576730884 = 227256^2 + 1410878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2042222020391 and 2042222020400.

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, 1760535645 + ... + 1760536804.

It is an arithmetic number, because the mean of its divisors is an integer number (184856303625).

Almost surely, 2^{2042222020420} is an apocalyptic number.

2042222020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042222020420 is an abundant number, since it is smaller than the sum of its proper divisors (2394329266580).

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

2042222020420 is a wasteful number, since it uses less digits than its factorization.

2042222020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521072487 (or 3521072485 counting only the distinct ones).

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

Adding to 2042222020420 its reverse (240202222402), we get a palindrome (2282424242822).

The spelling of 2042222020420 in words is "two trillion, forty-two billion, two hundred twenty-two million, twenty thousand, four hundred twenty".