2120622040 has 16 divisors (see below), whose sum is σ = 4771399680. Its totient is φ = 848248800.

The previous prime is 2120622019. The next prime is 2120622059. The reversal of 2120622040 is 402260212.

It is a junction number, because it is equal to n+sod(n) for n = 2120621999 and 2120622017.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 26507736 + ... + 26507815.

It is an arithmetic number, because the mean of its divisors is an integer number (298212480).

Almost surely, 2^2120622040 is an apocalyptic number.

2120622040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120622040 is an abundant number, since it is smaller than the sum of its proper divisors (2650777640).

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

2120622040 is a wasteful number, since it uses less digits than its factorization.

2120622040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015562 (or 53015558 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120622040 is about 46050.2121602062. The cubic root of 2120622040 is about 1284.7572888656.

Adding to 2120622040 its reverse (402260212), we get a palindrome (2522882252).

The spelling of 2120622040 in words is "two billion, one hundred twenty million, six hundred twenty-two thousand, forty".