20481044 has 12 divisors (see below), whose sum is σ = 35896224. Its totient is φ = 10224984.

The previous prime is 20481037. The next prime is 20481059. The reversal of 20481044 is 44018402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (2991352).

Almost surely, 2^20481044 is an apocalyptic number.

It is an amenable number.

20481044 is a deficient number, since it is larger than the sum of its proper divisors (15415180).

20481044 is a wasteful number, since it uses less digits than its factorization.

20481044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774 (or 7772 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 20481044 is about 4525.5987449176. The cubic root of 20481044 is about 273.6008003864.

Adding to 20481044 its reverse (44018402), we get a palindrome (64499446).

The spelling of 20481044 in words is "twenty million, four hundred eighty-one thousand, forty-four".