10520420 has 24 divisors (see below), whose sum is σ = 22311744. Its totient is φ = 4166496.

The previous prime is 10520401. The next prime is 10520429. The reversal of 10520420 is 2402501.

It is a super-2 number, since 2×10520420² = 221358473952800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10520395 and 10520404.

It is not an unprimeable number, because it can be changed into a prime (10520429) 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, 494 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (929656).

Almost surely, 2^10520420 is an apocalyptic number.

10520420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520420 is an abundant number, since it is smaller than the sum of its proper divisors (11791324).

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

10520420 is a wasteful number, since it uses less digits than its factorization.

10520420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219 (or 5217 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 10520420 is about 3243.5196931728. The cubic root of 10520420 is about 219.1178171058.

Adding to 10520420 its reverse (2402501), we get a palindrome (12922921).

The spelling of 10520420 in words is "ten million, five hundred twenty thousand, four hundred twenty".