10520308 has 6 divisors (see below), whose sum is σ = 18410546. Its totient is φ = 5260152.

The previous prime is 10520291. The next prime is 10520309. The reversal of 10520308 is 80302501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 1205604 = 3052^2 + 1098^2 .

It is a super-2 number, since 2×10520308² = 221353760829728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315035 + ... + 1315042.

Almost surely, 2^10520308 is an apocalyptic number.

It is an amenable number.

10520308 is a deficient number, since it is larger than the sum of its proper divisors (7890238).

10520308 is a wasteful number, since it uses less digits than its factorization.

10520308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630081 (or 2630079 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10520308 is about 3243.5024279319. The cubic root of 10520308 is about 219.1170395297.

Adding to 10520308 its reverse (80302501), we get a palindrome (90822809).

The spelling of 10520308 in words is "ten million, five hundred twenty thousand, three hundred eight".