20140242123044 has 48 divisors (see below), whose sum is σ = 36230676185088. Its totient is φ = 9791626477728.

The previous prime is 20140242123041. The next prime is 20140242123103. The reversal of 20140242123044 is 44032124204102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20140242122998 and 20140242123016.

It is not an unprimeable number, because it can be changed into a prime (20140242123041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17590997 + ... + 18700899.

It is an arithmetic number, because the mean of its divisors is an integer number (754805753856).

Almost surely, 2^{20140242123044} is an apocalyptic number.

It is an amenable number.

20140242123044 is a deficient number, since it is larger than the sum of its proper divisors (16090434062044).

20140242123044 is a wasteful number, since it uses less digits than its factorization.

20140242123044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110584 (or 1110582 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20140242123044 its reverse (44032124204102), we get a palindrome (64172366327146).

The spelling of 20140242123044 in words is "twenty trillion, one hundred forty billion, two hundred forty-two million, one hundred twenty-three thousand, forty-four".