20061620141 has 2 divisors, whose sum is σ = 20061620142. Its totient is φ = 20061620140.

The previous prime is 20061620101. The next prime is 20061620167. The reversal of 20061620141 is 14102616002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20042348041 + 19272100 = 141571^2 + 4390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20061620141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20061620101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030810070 + 10030810071.

It is an arithmetic number, because the mean of its divisors is an integer number (10030810071).

Almost surely, 2^20061620141 is an apocalyptic number.

It is an amenable number.

20061620141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061620141 is an equidigital number, since it uses as much as digits as its factorization.

20061620141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20061620141 in words is "twenty billion, sixty-one million, six hundred twenty thousand, one hundred forty-one".