20106244541 has 2 divisors, whose sum is σ = 20106244542. Its totient is φ = 20106244540.

The previous prime is 20106244513. The next prime is 20106244547. The reversal of 20106244541 is 14544260102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17961628441 + 2144616100 = 134021^2 + 46310^2 .

It is a cyclic number.

It is not a de Polignac number, because 20106244541 - 2¹⁴ = 20106228157 is a prime.

It is a super-2 number, since 2×20106244541² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20106244547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053122270 + 10053122271.

It is an arithmetic number, because the mean of its divisors is an integer number (10053122271).

Almost surely, 2^20106244541 is an apocalyptic number.

It is an amenable number.

20106244541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20106244541 is an equidigital number, since it uses as much as digits as its factorization.

20106244541 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 20106244541 in words is "twenty billion, one hundred six million, two hundred forty-four thousand, five hundred forty-one".