105505036204220 has 24 divisors (see below), whose sum is σ = 231193644552864. Its totient is φ = 40367144286656.

The previous prime is 105505036204193. The next prime is 105505036204229. The reversal of 105505036204220 is 22402630505501.

It is a super-2 number, since 2×105505036204220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105505036204229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114679386719 + ... + 114679387638.

It is an arithmetic number, because the mean of its divisors is an integer number (9633068523036).

Almost surely, 2^{105505036204220} is an apocalyptic number.

105505036204220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105505036204220 is an abundant number, since it is smaller than the sum of its proper divisors (125688608348644).

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

105505036204220 is a wasteful number, since it uses less digits than its factorization.

105505036204220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229358774389 (or 229358774387 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 105505036204220 its reverse (22402630505501), we get a palindrome (127907666709721).

The spelling of 105505036204220 in words is "one hundred five trillion, five hundred five billion, thirty-six million, two hundred four thousand, two hundred twenty".