2020242101 has 4 divisors (see below), whose sum is σ = 2020903872. Its totient is φ = 2019580332.

The previous prime is 2020242083. The next prime is 2020242113. The reversal of 2020242101 is 1012420202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012420202 = 2 ⋅506210101.

It is a cyclic number.

It is not a de Polignac number, because 2020242101 - 2¹⁸ = 2019979957 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 (2020242121) 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, 326285 + ... + 332418.

It is an arithmetic number, because the mean of its divisors is an integer number (505225968).

Almost surely, 2^2020242101 is an apocalyptic number.

It is an amenable number.

2020242101 is a deficient number, since it is larger than the sum of its proper divisors (661771).

2020242101 is an equidigital number, since it uses as much as digits as its factorization.

2020242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661770.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2020242101 is about 44947.1033660680. The cubic root of 2020242101 is about 1264.1573647495.

Adding to 2020242101 its reverse (1012420202), we get a palindrome (3032662303).

The spelling of 2020242101 in words is "two billion, twenty million, two hundred forty-two thousand, one hundred one".