42020254022 has 4 divisors (see below), whose sum is σ = 63030381036. Its totient is φ = 21010127010.

The previous prime is 42020254021. The next prime is 42020254063. The reversal of 42020254022 is 22045202024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020254021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505063504 + ... + 10505063507.

It is an arithmetic number, because the mean of its divisors is an integer number (15757595259).

Almost surely, 2^42020254022 is an apocalyptic number.

42020254022 is a deficient number, since it is larger than the sum of its proper divisors (21010127014).

42020254022 is a wasteful number, since it uses less digits than its factorization.

42020254022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010127013.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 42020254022 its reverse (22045202024), we get a palindrome (64065456046).

The spelling of 42020254022 in words is "forty-two billion, twenty million, two hundred fifty-four thousand, twenty-two".