2120122020020 has 12 divisors (see below), whose sum is σ = 4452256242084. Its totient is φ = 848048808000.

The previous prime is 2120122019867. The next prime is 2120122020043. The reversal of 2120122020020 is 200202210212.

It can be written as a sum of positive squares in 2 ways, for example, as 252624853924 + 1867497166096 = 502618^2 + 1366564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120122019977 and 2120122020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53003050481 + ... + 53003050520.

It is an arithmetic number, because the mean of its divisors is an integer number (371021353507).

Almost surely, 2^{2120122020020} is an apocalyptic number.

2120122020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120122020020 is an abundant number, since it is smaller than the sum of its proper divisors (2332134222064).

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

2120122020020 is a wasteful number, since it uses less digits than its factorization.

2120122020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106006101010 (or 106006101008 counting only the distinct ones).

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

Adding to 2120122020020 its reverse (200202210212), we get a palindrome (2320324230232).

The spelling of 2120122020020 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, twenty thousand, twenty".