20254544 has 10 divisors (see below), whose sum is σ = 39243210. Its totient is φ = 10127264.

The previous prime is 20254537. The next prime is 20254547. The reversal of 20254544 is 44545202.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 1000000 = 4388^2 + 1000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254547) 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 as a sum of consecutive naturals, namely, 632939 + ... + 632970.

It is an arithmetic number, because the mean of its divisors is an integer number (3924321).

Almost surely, 2^20254544 is an apocalyptic number.

It is an amenable number.

20254544 is a deficient number, since it is larger than the sum of its proper divisors (18988666).

20254544 is a wasteful number, since it uses less digits than its factorization.

20254544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265917 (or 1265911 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 20254544 is about 4500.5048605684. The cubic root of 20254544 is about 272.5884750444.

Adding to 20254544 its reverse (44545202), we get a palindrome (64799746).

The spelling of 20254544 in words is "twenty million, two hundred fifty-four thousand, five hundred forty-four".