2020105501 has 2 divisors, whose sum is σ = 2020105502. Its totient is φ = 2020105500.

The previous prime is 2020105489. The next prime is 2020105511. The reversal of 2020105501 is 1055010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145484025 + 874621476 = 33845^2 + 29574^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020105501 - 2⁵ = 2020105469 is a prime.

It is a super-2 number, since 2×2020105501² = 8161652470340922002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020105511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010052750 + 1010052751.

It is an arithmetic number, because the mean of its divisors is an integer number (1010052751).

Almost surely, 2^2020105501 is an apocalyptic number.

It is an amenable number.

2020105501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020105501 is an equidigital number, since it uses as much as digits as its factorization.

2020105501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2020105501 is about 44945.5837763845. The cubic root of 2020105501 is about 1264.1288718297.

Adding to 2020105501 its reverse (1055010202), we get a palindrome (3075115703).

The spelling of 2020105501 in words is "two billion, twenty million, one hundred five thousand, five hundred one".