105544331220 has 48 divisors (see below), whose sum is σ = 295814312640. Its totient is φ = 28117518336.

The previous prime is 105544331197. The next prime is 105544331239. The reversal of 105544331220 is 22133445501.

It is a super-2 number, since 2×105544331220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801997 + ... + 924276.

It is an arithmetic number, because the mean of its divisors is an integer number (6162798180).

Almost surely, 2^105544331220 is an apocalyptic number.

105544331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105544331220 is an abundant number, since it is smaller than the sum of its proper divisors (190269981420).

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

105544331220 is a wasteful number, since it uses less digits than its factorization.

105544331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727304 (or 1727302 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 105544331220 its reverse (22133445501), we get a palindrome (127677776721).

The spelling of 105544331220 in words is "one hundred five billion, five hundred forty-four million, three hundred thirty-one thousand, two hundred twenty".