2020520417 has 4 divisors (see below), whose sum is σ = 2029421616. Its totient is φ = 2011619220.

The previous prime is 2020520389. The next prime is 2020520419. The reversal of 2020520417 is 7140250202.

It is a happy number.

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 2020520417 - 2¹² = 2020516321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020520392 and 2020520401.

It is not an unprimeable number, because it can be changed into a prime (2020520419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4450259 + ... + 4450712.

It is an arithmetic number, because the mean of its divisors is an integer number (507355404).

Almost surely, 2^2020520417 is an apocalyptic number.

It is an amenable number.

2020520417 is a deficient number, since it is larger than the sum of its proper divisors (8901199).

2020520417 is an equidigital number, since it uses as much as digits as its factorization.

2020520417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901198.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2020520417 is about 44950.1992987795. The cubic root of 2020520417 is about 1264.2154137436.

Adding to 2020520417 its reverse (7140250202), we get a palindrome (9160770619).

The spelling of 2020520417 in words is "two billion, twenty million, five hundred twenty thousand, four hundred seventeen".