20424231344122 has 4 divisors (see below), whose sum is σ = 30636347016186. Its totient is φ = 10212115672060.

The previous prime is 20424231344119. The next prime is 20424231344149. The reversal of 20424231344122 is 22144313242402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19339052869161 + 1085178474961 = 4397619^2 + 1041719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106057836029 + ... + 5106057836032.

Almost surely, 2^{20424231344122} is an apocalyptic number.

20424231344122 is a deficient number, since it is larger than the sum of its proper divisors (10212115672064).

20424231344122 is a wasteful number, since it uses less digits than its factorization.

20424231344122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212115672063.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20424231344122 its reverse (22144313242402), we get a palindrome (42568544586524).

The spelling of 20424231344122 in words is "twenty trillion, four hundred twenty-four billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred twenty-two".