20254641 has 32 divisors (see below), whose sum is σ = 30551040. Its totient is φ = 11832000.

The previous prime is 20254631. The next prime is 20254643. The reversal of 20254641 is 14645202.

It is not a de Polignac number, because 20254641 - 2⁵ = 20254609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20254643) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 196596 + ... + 196698.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^20254641 is an apocalyptic number.

It is an amenable number.

20254641 is a deficient number, since it is larger than the sum of its proper divisors (10296399).

20254641 is a wasteful number, since it uses less digits than its factorization.

20254641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20254641 is about 4500.5156371243. The cubic root of 20254641 is about 272.5889101902.

Adding to 20254641 its reverse (14645202), we get a palindrome (34899843).

It can be divided in two parts, 2025 and 4641, that added together give a palindrome (6666).

The spelling of 20254641 in words is "twenty million, two hundred fifty-four thousand, six hundred forty-one".