20752460 has 24 divisors (see below), whose sum is σ = 43723680. Its totient is φ = 8273664.

The previous prime is 20752453. The next prime is 20752469. The reversal of 20752460 is 6425702.

It is not an unprimeable number, because it can be changed into a prime (20752469) 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 7 ways as a sum of consecutive naturals, for example, 5201 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (1821820).

Almost surely, 2^20752460 is an apocalyptic number.

20752460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20752460 is an abundant number, since it is smaller than the sum of its proper divisors (22971220).

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

20752460 is a wasteful number, since it uses less digits than its factorization.

20752460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20752460 is about 4555.4868016492. The cubic root of 20752460 is about 274.8040918745.

It can be divided in two parts, 20752 and 460, that added together give a palindrome (21212).

The spelling of 20752460 in words is "twenty million, seven hundred fifty-two thousand, four hundred sixty".