2020535669 has 4 divisors (see below), whose sum is σ = 2020810944. Its totient is φ = 2020260396.

The previous prime is 2020535651. The next prime is 2020535689. The reversal of 2020535669 is 9665350202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020535669 - 2²⁸ = 1752100213 is a prime.

It is a super-2 number, since 2×2020535669² = 8165128779402555122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020535689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126317 + ... + 141410.

It is an arithmetic number, because the mean of its divisors is an integer number (505202736).

Almost surely, 2^2020535669 is an apocalyptic number.

It is an amenable number.

2020535669 is a deficient number, since it is larger than the sum of its proper divisors (275275).

2020535669 is an equidigital number, since it uses as much as digits as its factorization.

2020535669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275274.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2020535669 is about 44950.3689528796. The cubic root of 2020535669 is about 1264.2185947335.

The spelling of 2020535669 in words is "two billion, twenty million, five hundred thirty-five thousand, six hundred sixty-nine".