2020538 has 8 divisors (see below), whose sum is σ = 3263988. Its totient is φ = 932544.

The previous prime is 2020537. The next prime is 2020547. The reversal of 2020538 is 8350202.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 80089 = 1393^2 + 283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2020537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38831 + ... + 38882.

2^2020538 is an apocalyptic number.

2020538 is a deficient number, since it is larger than the sum of its proper divisors (1243450).

2020538 is a wasteful number, since it uses less digits than its factorization.

2020538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77728.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2020538 is about 1421.4562954942. The cubic root of 2020538 is about 126.4219080890.

The spelling of 2020538 in words is "two million, twenty thousand, five hundred thirty-eight".