2020156203 has 24 divisors (see below), whose sum is σ = 2919743040. Its totient is φ = 1241866080.

The previous prime is 2020156157. The next prime is 2020156207. The reversal of 2020156203 is 3026510202.

It is not a de Polignac number, because 2020156203 - 2¹⁴ = 2020139819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020156203.

It is not an unprimeable number, because it can be changed into a prime (2020156207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738348 + ... + 741078.

It is an arithmetic number, because the mean of its divisors is an integer number (121655960).

Almost surely, 2^2020156203 is an apocalyptic number.

2020156203 is a deficient number, since it is larger than the sum of its proper divisors (899586837).

2020156203 is a wasteful number, since it uses less digits than its factorization.

2020156203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2020156203 is about 44946.1478104631. The cubic root of 2020156203 is about 1264.1394477338.

Adding to 2020156203 its reverse (3026510202), we get a palindrome (5046666405).

The spelling of 2020156203 in words is "two billion, twenty million, one hundred fifty-six thousand, two hundred three".