20252546 has 8 divisors (see below), whose sum is σ = 30445824. Its totient is φ = 10103940.

The previous prime is 20252543. The next prime is 20252611. The reversal of 20252546 is 64525202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20252543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (3805728).

Almost surely, 2^20252546 is an apocalyptic number.

20252546 is a deficient number, since it is larger than the sum of its proper divisors (10193278).

20252546 is a wasteful number, since it uses less digits than its factorization.

20252546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22336.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 20252546 is about 4500.2828799977. The cubic root of 20252546 is about 272.5795116289.

Adding to 20252546 its reverse (64525202), we get a palindrome (84777748).

The spelling of 20252546 in words is "twenty million, two hundred fifty-two thousand, five hundred forty-six".