2020210101 has 96 divisors (see below), whose sum is σ = 3720254720. Its totient is φ = 1027924992.

The previous prime is 2020210099. The next prime is 2020210109. The reversal of 2020210101 is 1010120202.

It is not a de Polignac number, because 2020210101 - 2¹ = 2020210099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020210109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4939185 + ... + 4939593.

Almost surely, 2^2020210101 is an apocalyptic number.

2020210101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020210101 is a deficient number, since it is larger than the sum of its proper divisors (1700044619).

2020210101 is a wasteful number, since it uses less digits than its factorization.

2020210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2020210101 is about 44946.7473906622. The cubic root of 2020210101 is about 1264.1506900958.

Adding to 2020210101 its reverse (1010120202), we get a palindrome (3030330303).

It can be divided in two parts, 20202 and 10101, that multiplied together give a palindrome (204060402).

The spelling of 2020210101 in words is "two billion, twenty million, two hundred ten thousand, one hundred one".