20123044 has 6 divisors (see below), whose sum is σ = 35215334. Its totient is φ = 10061520.

The previous prime is 20123039. The next prime is 20123057. The reversal of 20123044 is 44032102.

It can be written as a sum of positive squares in only one way, i.e., 13972644 + 6150400 = 3738^2 + 2480^2 .

It is an unprimeable number.

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, 2515377 + ... + 2515384.

Almost surely, 2^20123044 is an apocalyptic number.

It is an amenable number.

20123044 is a deficient number, since it is larger than the sum of its proper divisors (15092290).

20123044 is a wasteful number, since it uses less digits than its factorization.

20123044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030765 (or 5030763 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20123044 is about 4485.8715986974. The cubic root of 20123044 is about 271.9972786637.

Adding to 20123044 its reverse (44032102), we get a palindrome (64155146).

The spelling of 20123044 in words is "twenty million, one hundred twenty-three thousand, forty-four".