105052442420 has 24 divisors (see below), whose sum is σ = 220679139744. Its totient is φ = 42007832096.

The previous prime is 105052442399. The next prime is 105052442447. The reversal of 105052442420 is 24244250501.

It is a super-2 number, since 2×105052442420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755894 + ... + 884013.

It is an arithmetic number, because the mean of its divisors is an integer number (9194964156).

Almost surely, 2^105052442420 is an apocalyptic number.

105052442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105052442420 is an abundant number, since it is smaller than the sum of its proper divisors (115626697324).

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

105052442420 is a wasteful number, since it uses less digits than its factorization.

105052442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643119 (or 1643117 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 105052442420 its reverse (24244250501), we get a palindrome (129296692921).

The spelling of 105052442420 in words is "one hundred five billion, fifty-two million, four hundred forty-two thousand, four hundred twenty".