20002112220020 has 48 divisors (see below), whose sum is σ = 48006508370688. Its totient is φ = 6857661469440.

The previous prime is 20002112219983. The next prime is 20002112220049. The reversal of 20002112220020 is 2002221120002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20002112219977 and 20002112220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2582600 + ... + 6831840.

It is an arithmetic number, because the mean of its divisors is an integer number (1000135591056).

Almost surely, 2^{20002112220020} is an apocalyptic number.

20002112220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002112220020 is an abundant number, since it is smaller than the sum of its proper divisors (28004396150668).

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

20002112220020 is a wasteful number, since it uses less digits than its factorization.

20002112220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282880 (or 4282878 counting only the distinct ones).

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

Adding to 20002112220020 its reverse (2002221120002), we get a palindrome (22004333340022).

The spelling of 20002112220020 in words is "twenty trillion, two billion, one hundred twelve million, two hundred twenty thousand, twenty".