20122424042 has 16 divisors (see below), whose sum is σ = 34715304960. Its totient is φ = 8568965808.

The previous prime is 20122424041. The next prime is 20122424057. The reversal of 20122424042 is 24042422102.

It is a junction number, because it is equal to n+sod(n) for n = 20122423999 and 20122424017.

It is not an unprimeable number, because it can be changed into a prime (20122424041) 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, 4575242 + ... + 4579637.

It is an arithmetic number, because the mean of its divisors is an integer number (2169706560).

Almost surely, 2^20122424042 is an apocalyptic number.

20122424042 is a deficient number, since it is larger than the sum of its proper divisors (14592880918).

20122424042 is a wasteful number, since it uses less digits than its factorization.

20122424042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155045.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20122424042 its reverse (24042422102), we get a palindrome (44164846144).

The spelling of 20122424042 in words is "twenty billion, one hundred twenty-two million, four hundred twenty-four thousand, forty-two".