10520254221 has 8 divisors (see below), whose sum is σ = 14032454880. Its totient is φ = 7010778192.

The previous prime is 10520254219. The next prime is 10520254243. The reversal of 10520254221 is 12245202501.

10520254221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10520254221 - 2¹ = 10520254219 is a prime.

It is a super-2 number, since 2×10520254221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10520254191 and 10520254200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520254421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672130 + ... + 687603.

It is an arithmetic number, because the mean of its divisors is an integer number (1754056860).

Almost surely, 2^10520254221 is an apocalyptic number.

It is an amenable number.

10520254221 is a deficient number, since it is larger than the sum of its proper divisors (3512200659).

10520254221 is a wasteful number, since it uses less digits than its factorization.

10520254221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362315.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 10520254221 its reverse (12245202501), we get a palindrome (22765456722).

The spelling of 10520254221 in words is "ten billion, five hundred twenty million, two hundred fifty-four thousand, two hundred twenty-one".