20102020100202 has 32 divisors (see below), whose sum is σ = 41307762919104. Its totient is φ = 6516869817600.

The previous prime is 20102020100189. The next prime is 20102020100209. The reversal of 20102020100202 is 20200102020102.

It is a super-2 number, since 2×20102020100202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20102020100209) 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 15 ways as a sum of consecutive naturals, for example, 18243199 + ... + 19313682.

It is an arithmetic number, because the mean of its divisors is an integer number (1290867591222).

Almost surely, 2^{20102020100202} is an apocalyptic number.

20102020100202 is an abundant number, since it is smaller than the sum of its proper divisors (21205742818902).

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

20102020100202 is a wasteful number, since it uses less digits than its factorization.

20102020100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37559334.

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

Adding to 20102020100202 its reverse (20200102020102), we get a palindrome (40302122120304).

The spelling of 20102020100202 in words is "twenty trillion, one hundred two billion, twenty million, one hundred thousand, two hundred two".