20012201102020 has 24 divisors (see below), whose sum is σ = 42025753554624. Its totient is φ = 8004855442656.

The previous prime is 20012201101969. The next prime is 20012201102077. The reversal of 20012201102020 is 2020110221002.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5862777 + ... + 8625343.

It is an arithmetic number, because the mean of its divisors is an integer number (1751073064776).

Almost surely, 2^{20012201102020} is an apocalyptic number.

20012201102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012201102020 is an abundant number, since it is smaller than the sum of its proper divisors (22013552452604).

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

20012201102020 is a wasteful number, since it uses less digits than its factorization.

20012201102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124779 (or 3124777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012201102020 its reverse (2020110221002), we get a palindrome (22032311323022).

The spelling of 20012201102020 in words is "twenty trillion, twelve billion, two hundred one million, one hundred two thousand, twenty".