2020164023 has 4 divisors (see below), whose sum is σ = 2053281528. Its totient is φ = 1987046520.

The previous prime is 2020164019. The next prime is 2020164049. The reversal of 2020164023 is 3204610202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020164023 - 2² = 2020164019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020163986 and 2020164004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020164323) 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, 16558661 + ... + 16558782.

It is an arithmetic number, because the mean of its divisors is an integer number (513320382).

Almost surely, 2^2020164023 is an apocalyptic number.

2020164023 is a deficient number, since it is larger than the sum of its proper divisors (33117505).

2020164023 is an equidigital number, since it uses as much as digits as its factorization.

2020164023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33117504.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2020164023 is about 44946.2348033737. The cubic root of 2020164023 is about 1264.1410788878.

Adding to 2020164023 its reverse (3204610202), we get a palindrome (5224774225).

The spelling of 2020164023 in words is "two billion, twenty million, one hundred sixty-four thousand, twenty-three".