42020252522 has 32 divisors (see below), whose sum is σ = 67787366400. Its totient is φ = 19472801328.

The previous prime is 42020252513. The next prime is 42020252531. The reversal of 42020252522 is 22525202024.

It is an interprime number because it is at equal distance from previous prime (42020252513) and next prime (42020252531).

It is a super-3 number, since 3×42020252522³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42020252491 and 42020252500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8539979 + ... + 8544897.

It is an arithmetic number, because the mean of its divisors is an integer number (2118355200).

Almost surely, 2^42020252522 is an apocalyptic number.

42020252522 is a deficient number, since it is larger than the sum of its proper divisors (25767113878).

42020252522 is a wasteful number, since it uses less digits than its factorization.

42020252522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 42020252522 its reverse (22525202024), we get a palindrome (64545454546).

The spelling of 42020252522 in words is "forty-two billion, twenty million, two hundred fifty-two thousand, five hundred twenty-two".