20305532141 has 2 divisors, whose sum is σ = 20305532142. Its totient is φ = 20305532140.

The previous prime is 20305532021. The next prime is 20305532209. The reversal of 20305532141 is 14123550302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16749795241 + 3555736900 = 129421^2 + 59630^2 .

It is a cyclic number.

It is not a de Polignac number, because 20305532141 - 2¹⁴ = 20305515757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20305532141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20305532641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152766070 + 10152766071.

It is an arithmetic number, because the mean of its divisors is an integer number (10152766071).

Almost surely, 2^20305532141 is an apocalyptic number.

It is an amenable number.

20305532141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20305532141 is an equidigital number, since it uses as much as digits as its factorization.

20305532141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20305532141 in words is "twenty billion, three hundred five million, five hundred thirty-two thousand, one hundred forty-one".