10202520 has 32 divisors (see below), whose sum is σ = 30607920. Its totient is φ = 2720640.

The previous prime is 10202513. The next prime is 10202537. The reversal of 10202520 is 2520201.

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 = 10202496 and 10202505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42391 + ... + 42630.

Almost surely, 2^10202520 is an apocalyptic number.

10202520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202520 is an abundant number, since it is smaller than the sum of its proper divisors (20405400).

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

10202520 is a wasteful number, since it uses less digits than its factorization.

10202520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85035 (or 85031 counting only the distinct ones).

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

The square root of 10202520 is about 3194.1383814732. The cubic root of 10202520 is about 216.8881469605. Note that the first 3 decimals are identical.

Adding to 10202520 its reverse (2520201), we get a palindrome (12722721).

The spelling of 10202520 in words is "ten million, two hundred two thousand, five hundred twenty".