10252720 has 20 divisors (see below), whose sum is σ = 23837760. Its totient is φ = 4101056.

The previous prime is 10252709. The next prime is 10252727. The reversal of 10252720 is 2725201.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (10252727) 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 in 3 ways as a sum of consecutive naturals, for example, 64000 + ... + 64159.

It is an arithmetic number, because the mean of its divisors is an integer number (1191888).

Almost surely, 2^10252720 is an apocalyptic number.

10252720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10252720 is an abundant number, since it is smaller than the sum of its proper divisors (13585040).

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

10252720 is a wasteful number, since it uses less digits than its factorization.

10252720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128172 (or 128166 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 10252720 is about 3201.9868831711. The cubic root of 10252720 is about 217.2432872063.

Adding to 10252720 its reverse (2725201), we get a palindrome (12977921).

The spelling of 10252720 in words is "ten million, two hundred fifty-two thousand, seven hundred twenty".