20201102202020 has 24 divisors (see below), whose sum is σ = 42426298013568. Its totient is φ = 8079682140000.

The previous prime is 20201102202019. The next prime is 20201102202041. The reversal of 20201102202020 is 2020220110202.

It is a junction number, because it is equal to n+sod(n) for n = 20201102201986 and 20201102202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47202956 + ... + 47628995.

It is an arithmetic number, because the mean of its divisors is an integer number (1767762417232).

Almost surely, 2^{20201102202020} is an apocalyptic number.

20201102202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201102202020 is an abundant number, since it is smaller than the sum of its proper divisors (22225195811548).

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

20201102202020 is a wasteful number, since it uses less digits than its factorization.

20201102202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94842611 (or 94842609 counting only the distinct ones).

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

Adding to 20201102202020 its reverse (2020220110202), we get a palindrome (22221322312222).

The spelling of 20201102202020 in words is "twenty trillion, two hundred one billion, one hundred two million, two hundred two thousand, twenty".