20002011021120 has 112 divisors (see below), whose sum is σ = 63593741248128. Its totient is φ = 5326532597760.

The previous prime is 20002011021089. The next prime is 20002011021127. The reversal of 20002011021120 is 2112011020002.

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 = 20002011021096 and 20002011021105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002011021127) 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, 13631811 + ... + 15027650.

It is an arithmetic number, because the mean of its divisors is an integer number (567801261144).

Almost surely, 2^{20002011021120} is an apocalyptic number.

20002011021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002011021120 is an abundant number, since it is smaller than the sum of its proper divisors (43591730227008).

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

20002011021120 is a wasteful number, since it uses less digits than its factorization.

20002011021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28660208 (or 28660198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20002011021120 its reverse (2112011020002), we get a palindrome (22114022041122).

The spelling of 20002011021120 in words is "twenty trillion, two billion, eleven million, twenty-one thousand, one hundred twenty".