20242123144 has 32 divisors (see below), whose sum is σ = 38261377440. Its totient is φ = 10039161600.

The previous prime is 20242123141. The next prime is 20242123169. The reversal of 20242123144 is 44132124202.

It is not an unprimeable number, because it can be changed into a prime (20242123141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865552 + ... + 3870784.

It is an arithmetic number, because the mean of its divisors is an integer number (1195668045).

Almost surely, 2^20242123144 is an apocalyptic number.

It is an amenable number.

20242123144 is a deficient number, since it is larger than the sum of its proper divisors (18019254296).

20242123144 is a wasteful number, since it uses less digits than its factorization.

20242123144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061 (or 9057 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20242123144 its reverse (44132124202), we get a palindrome (64374247346).

The spelling of 20242123144 in words is "twenty billion, two hundred forty-two million, one hundred twenty-three thousand, one hundred forty-four".