10520220 has 48 divisors (see below), whose sum is σ = 29611008. Its totient is φ = 2790720.

The previous prime is 10520219. The next prime is 10520227. The reversal of 10520220 is 2202501.

It is a super-2 number, since 2×10520220² = 221350057696800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10520196 and 10520205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15937 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (616896).

Almost surely, 2^10520220 is an apocalyptic number.

10520220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520220 is an abundant number, since it is smaller than the sum of its proper divisors (19090788).

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

10520220 is a wasteful number, since it uses less digits than its factorization.

10520220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10520220 is about 3243.4888623209. The cubic root of 10520220 is about 219.1164285731.

Adding to 10520220 its reverse (2202501), we get a palindrome (12722721).

The spelling of 10520220 in words is "ten million, five hundred twenty thousand, two hundred twenty".