10513242220 has 24 divisors (see below), whose sum is σ = 23776102224. Its totient is φ = 3881812416.

The previous prime is 10513242209. The next prime is 10513242253. The reversal of 10513242220 is 2224231501.

It is a happy number.

It is a super-2 number, since 2×10513242220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10513242191 and 10513242200.

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, 20217514 + ... + 20218033.

It is an arithmetic number, because the mean of its divisors is an integer number (990670926).

Almost surely, 2^10513242220 is an apocalyptic number.

10513242220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10513242220 is an abundant number, since it is smaller than the sum of its proper divisors (13262860004).

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

10513242220 is a wasteful number, since it uses less digits than its factorization.

10513242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40435569 (or 40435567 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10513242220 its reverse (2224231501), we get a palindrome (12737473721).

The spelling of 10513242220 in words is "ten billion, five hundred thirteen million, two hundred forty-two thousand, two hundred twenty".