2020104671 has 4 divisors (see below), whose sum is σ = 2175497352. Its totient is φ = 1864711992.

The previous prime is 2020104661. The next prime is 2020104683. The reversal of 2020104671 is 1764010202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2020104671 - 2⁶ = 2020104607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020104661) 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, 77696321 + ... + 77696346.

It is an arithmetic number, because the mean of its divisors is an integer number (543874338).

Almost surely, 2^2020104671 is an apocalyptic number.

2020104671 is a deficient number, since it is larger than the sum of its proper divisors (155392681).

2020104671 is a wasteful number, since it uses less digits than its factorization.

2020104671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155392680.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2020104671 is about 44945.5745429959. The cubic root of 2020104671 is about 1264.1286986990.

Adding to 2020104671 its reverse (1764010202), we get a palindrome (3784114873).

The spelling of 2020104671 in words is "two billion, twenty million, one hundred four thousand, six hundred seventy-one".