20122562441 has 2 divisors, whose sum is σ = 20122562442. Its totient is φ = 20122562440.

The previous prime is 20122562419. The next prime is 20122562491. The reversal of 20122562441 is 14426522102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19093436041 + 1029126400 = 138179^2 + 32080^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122562441 - 2¹⁴ = 20122546057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122562491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061281220 + 10061281221.

It is an arithmetic number, because the mean of its divisors is an integer number (10061281221).

Almost surely, 2^20122562441 is an apocalyptic number.

It is an amenable number.

20122562441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122562441 is an equidigital number, since it uses as much as digits as its factorization.

20122562441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 20122562441 in words is "twenty billion, one hundred twenty-two million, five hundred sixty-two thousand, four hundred forty-one".