10520438 has 4 divisors (see below), whose sum is σ = 15780660. Its totient is φ = 5260218.

The previous prime is 10520431. The next prime is 10520449. The reversal of 10520438 is 83402501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10520438² = 221359231423688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630108 + ... + 2630111.

It is an arithmetic number, because the mean of its divisors is an integer number (3945165).

Almost surely, 2^10520438 is an apocalyptic number.

10520438 is a deficient number, since it is larger than the sum of its proper divisors (5260222).

10520438 is an equidigital number, since it uses as much as digits as its factorization.

10520438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260221.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 10520438 is about 3243.5224679351. The cubic root of 10520438 is about 219.1179420729.

Adding to 10520438 its reverse (83402501), we get a palindrome (93922939).

The spelling of 10520438 in words is "ten million, five hundred twenty thousand, four hundred thirty-eight".