20454065141 has 2 divisors, whose sum is σ = 20454065142. Its totient is φ = 20454065140.

The previous prime is 20454065131. The next prime is 20454065167. The reversal of 20454065141 is 14156045402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15294516241 + 5159548900 = 123671^2 + 71830^2 .

It is a cyclic number.

It is not a de Polignac number, because 20454065141 - 2¹⁰ = 20454064117 is a prime.

It is a super-3 number, since 3×20454065141³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20454065098 and 20454065107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20454065131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10227032570 + 10227032571.

It is an arithmetic number, because the mean of its divisors is an integer number (10227032571).

Almost surely, 2^20454065141 is an apocalyptic number.

It is an amenable number.

20454065141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20454065141 is an equidigital number, since it uses as much as digits as its factorization.

20454065141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 20454065141 in words is "twenty billion, four hundred fifty-four million, sixty-five thousand, one hundred forty-one".