210002020201020 has 24 divisors (see below), whose sum is σ = 588005656563024. Its totient is φ = 56000538720256.

The previous prime is 210002020200919. The next prime is 210002020201033. The reversal of 210002020201020 is 20102020200012.

It is a super-2 number, since 2×210002020201020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210002020200987 and 210002020201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750016834949 + ... + 1750016835068.

It is an arithmetic number, because the mean of its divisors is an integer number (24500235690126).

Almost surely, 2^{210002020201020} is an apocalyptic number.

210002020201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002020201020 is an abundant number, since it is smaller than the sum of its proper divisors (378003636362004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210002020201020 is a wasteful number, since it uses less digits than its factorization.

210002020201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500033670029 (or 3500033670027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210002020201020 its reverse (20102020200012), we get a palindrome (230104040401032).

The spelling of 210002020201020 in words is "two hundred ten trillion, two billion, twenty million, two hundred one thousand, twenty".