2020202101 has 8 divisors (see below), whose sum is σ = 2050580664. Its totient is φ = 1990027200.

The previous prime is 2020202077. The next prime is 2020202111. The reversal of 2020202101 is 1012020202.

It can be written as a sum of positive squares in 4 ways, for example, as 984327876 + 1035874225 = 31374^2 + 32185^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2020202101 - 2²³ = 2011813493 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 (2020202111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30870 + ... + 70663.

It is an arithmetic number, because the mean of its divisors is an integer number (256322583).

Almost surely, 2^2020202101 is an apocalyptic number.

It is an amenable number.

2020202101 is a deficient number, since it is larger than the sum of its proper divisors (30378563).

2020202101 is a wasteful number, since it uses less digits than its factorization.

2020202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101831.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2020202101 is about 44946.6583963702. The cubic root of 2020202101 is about 1264.1490214213.

Adding to 2020202101 its reverse (1012020202), we get a palindrome (3032222303).

It can be divided in two parts, 2020202 and 101, that multiplied together give a palindrome (204040402).

The spelling of 2020202101 in words is "two billion, twenty million, two hundred two thousand, one hundred one".