10555241220 has 120 divisors (see below), whose sum is σ = 33259209984. Its totient is φ = 2802233664.

The previous prime is 10555241219. The next prime is 10555241237. The reversal of 10555241220 is 2214255501.

10555241220 is a `hidden beast` number, since 10 + 5 + 5 + 524 + 122 + 0 = 666.

It is a super-2 number, since 2×10555241220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 353389 + ... + 382091.

Almost surely, 2^10555241220 is an apocalyptic number.

10555241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10555241220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16629604992).

10555241220 is an abundant number, since it is smaller than the sum of its proper divisors (22703968764).

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

10555241220 is a wasteful number, since it uses less digits than its factorization.

10555241220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951 (or 28940 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 10555241220 its reverse (2214255501), we get a palindrome (12769496721).

The spelling of 10555241220 in words is "ten billion, five hundred fifty-five million, two hundred forty-one thousand, two hundred twenty".