2020100023 has 4 divisors (see below), whose sum is σ = 2048552208. Its totient is φ = 1991647840.

The previous prime is 2020099937. The next prime is 2020100029. The reversal of 2020100023 is 3200010202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020100023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020099982 and 2020100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020100029) 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, 14225986 + ... + 14226127.

It is an arithmetic number, because the mean of its divisors is an integer number (512138052).

Almost surely, 2^2020100023 is an apocalyptic number.

2020100023 is a deficient number, since it is larger than the sum of its proper divisors (28452185).

2020100023 is an equidigital number, since it uses as much as digits as its factorization.

2020100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452184.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2020100023 is about 44945.5228359845. The cubic root of 2020100023 is about 1264.1277291659.

Adding to 2020100023 its reverse (3200010202), we get a palindrome (5220110225).

The spelling of 2020100023 in words is "two billion, twenty million, one hundred thousand, twenty-three".