42044222020 has 12 divisors (see below), whose sum is σ = 88292866284. Its totient is φ = 16817688800.

The previous prime is 42044221997. The next prime is 42044222083. The reversal of 42044222020 is 2022244024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4860041796 + 37184180224 = 69714^2 + 192832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42044221982 and 42044222000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051105531 + ... + 1051105570.

It is an arithmetic number, because the mean of its divisors is an integer number (7357738857).

Almost surely, 2^42044222020 is an apocalyptic number.

It is an amenable number.

42044222020 is an abundant number, since it is smaller than the sum of its proper divisors (46248644264).

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

42044222020 is a wasteful number, since it uses less digits than its factorization.

42044222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102211110 (or 2102211108 counting only the distinct ones).

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

Adding to 42044222020 its reverse (2022244024), we get a palindrome (44066466044).

It can be divided in two parts, 4204 and 4222020, that added together give a palindrome (4226224).

The spelling of 42044222020 in words is "forty-two billion, forty-four million, two hundred twenty-two thousand, twenty".