20122544041 has 4 divisors (see below), whose sum is σ = 20816424900. Its totient is φ = 19428663184.

The previous prime is 20122544027. The next prime is 20122544047. The reversal of 20122544041 is 14044522102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6438457600 + 13684086441 = 80240^2 + 116979^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122544041 - 2¹⁷ = 20122412969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122543997 and 20122544015.

It is not an unprimeable number, because it can be changed into a prime (20122544047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346940386 + ... + 346940443.

It is an arithmetic number, because the mean of its divisors is an integer number (5204106225).

Almost surely, 2^20122544041 is an apocalyptic number.

It is an amenable number.

20122544041 is a deficient number, since it is larger than the sum of its proper divisors (693880859).

20122544041 is an equidigital number, since it uses as much as digits as its factorization.

20122544041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693880858.

The product of its (nonzero) digits is 2560, while the sum is 25.

The spelling of 20122544041 in words is "twenty billion, one hundred twenty-two million, five hundred forty-four thousand, forty-one".