105542032220 has 24 divisors (see below), whose sum is σ = 221704157808. Its totient is φ = 42204262400.

The previous prime is 105542032157. The next prime is 105542032237. The reversal of 105542032220 is 22230245501.

It is a super-2 number, since 2×105542032220² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105542032220.

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, 715301 + ... + 850140.

It is an arithmetic number, because the mean of its divisors is an integer number (9237673242).

Almost surely, 2^105542032220 is an apocalyptic number.

105542032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105542032220 is an abundant number, since it is smaller than the sum of its proper divisors (116162125588).

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

105542032220 is a wasteful number, since it uses less digits than its factorization.

105542032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568821 (or 1568819 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 105542032220 its reverse (22230245501), we get a palindrome (127772277721).

The spelling of 105542032220 in words is "one hundred five billion, five hundred forty-two million, thirty-two thousand, two hundred twenty".