2120012202020 has 24 divisors (see below), whose sum is σ = 4686342763200. Its totient is φ = 803373044832.

The previous prime is 2120012201987. The next prime is 2120012202043. The reversal of 2120012202020 is 202022100212.

It is a junction number, because it is equal to n+sod(n) for n = 2120012201986 and 2120012202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2789489360 + ... + 2789490119.

It is an arithmetic number, because the mean of its divisors is an integer number (195264281800).

Almost surely, 2^{2120012202020} is an apocalyptic number.

2120012202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120012202020 is an abundant number, since it is smaller than the sum of its proper divisors (2566330561180).

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

2120012202020 is a wasteful number, since it uses less digits than its factorization.

2120012202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578979507 (or 5578979505 counting only the distinct ones).

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

Adding to 2120012202020 its reverse (202022100212), we get a palindrome (2322034302232).

The spelling of 2120012202020 in words is "two trillion, one hundred twenty billion, twelve million, two hundred two thousand, twenty".