10613220 has 24 divisors (see below), whose sum is σ = 29717184. Its totient is φ = 2830176.

The previous prime is 10613179. The next prime is 10613233. The reversal of 10613220 is 2231601.

10613220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10613220² = 225280877536800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10613220.

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, 88384 + ... + 88503.

It is an arithmetic number, because the mean of its divisors is an integer number (1238216).

Almost surely, 2^10613220 is an apocalyptic number.

10613220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10613220 is an abundant number, since it is smaller than the sum of its proper divisors (19103964).

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

10613220 is a wasteful number, since it uses less digits than its factorization.

10613220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176899 (or 176897 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10613220 is about 3257.7937319603. The cubic root of 10613220 is about 219.7602070479.

Adding to 10613220 its reverse (2231601), we get a palindrome (12844821).

The spelling of 10613220 in words is "ten million, six hundred thirteen thousand, two hundred twenty".