2020545262129 has 2 divisors, whose sum is σ = 2020545262130. Its totient is φ = 2020545262128.

The previous prime is 2020545262091. The next prime is 2020545262157. The reversal of 2020545262129 is 9212625450202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1998765405729 + 21779856400 = 1413777^2 + 147580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020545262129 - 2²³ = 2020536873521 is a prime.

It is a super-2 number, since 2×2020545262129² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020545262091 and 2020545262100.

It is not a weakly prime, because it can be changed into another prime (2020545262159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010272631064 + 1010272631065.

It is an arithmetic number, because the mean of its divisors is an integer number (1010272631065).

Almost surely, 2^{2020545262129} is an apocalyptic number.

It is an amenable number.

2020545262129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020545262129 is an equidigital number, since it uses as much as digits as its factorization.

2020545262129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 2020545262129 in words is "two trillion, twenty billion, five hundred forty-five million, two hundred sixty-two thousand, one hundred twenty-nine".