21410444103220 has 24 divisors (see below), whose sum is σ = 45194896006344. Its totient is φ = 8519803662336.

The previous prime is 21410444103211. The next prime is 21410444103241. The reversal of 21410444103220 is 2230144401412.

It can be written as a sum of positive squares in 4 ways, for example, as 408201616 + 21410035901604 = 20204^2 + 4627098^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773369729 + ... + 2773377448.

It is an arithmetic number, because the mean of its divisors is an integer number (1883120666931).

Almost surely, 2^{21410444103220} is an apocalyptic number.

21410444103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410444103220 is an abundant number, since it is smaller than the sum of its proper divisors (23784451903124).

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

21410444103220 is a wasteful number, since it uses less digits than its factorization.

21410444103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546747379 (or 5546747377 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21410444103220 its reverse (2230144401412), we get a palindrome (23640588504632).

The spelling of 21410444103220 in words is "twenty-one trillion, four hundred ten billion, four hundred forty-four million, one hundred three thousand, two hundred twenty".