10505225320 has 32 divisors (see below), whose sum is σ = 23969675520. Its totient is φ = 4142904640.

The previous prime is 10505225309. The next prime is 10505225329. The reversal of 10505225320 is 2352250501.

It is a happy number.

It is a super-2 number, since 2×10505225320² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505225329) 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, 1846672 + ... + 1852351.

It is an arithmetic number, because the mean of its divisors is an integer number (749052360).

Almost surely, 2^10505225320 is an apocalyptic number.

10505225320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505225320 is an abundant number, since it is smaller than the sum of its proper divisors (13464450200).

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

10505225320 is a wasteful number, since it uses less digits than its factorization.

10505225320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699105 (or 3699101 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 10505225320 its reverse (2352250501), we get a palindrome (12857475821).

The spelling of 10505225320 in words is "ten billion, five hundred five million, two hundred twenty-five thousand, three hundred twenty".