2122020120 has 64 divisors (see below), whose sum is σ = 6944797440. Its totient is φ = 514428800.

The previous prime is 2122020101. The next prime is 2122020127. The reversal of 2122020120 is 210202212.

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 = 2122020096 and 2122020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020127) 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, 802476 + ... + 805115.

It is an arithmetic number, because the mean of its divisors is an integer number (108512460).

Almost surely, 2^2122020120 is an apocalyptic number.

2122020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122020120 is an abundant number, since it is smaller than the sum of its proper divisors (4822777320).

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

2122020120 is a wasteful number, since it uses less digits than its factorization.

2122020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607616 (or 1607612 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2122020120 is about 46065.3896108564. The cubic root of 2122020120 is about 1285.0395643569.

Adding to 2122020120 its reverse (210202212), we get a palindrome (2332222332).

The spelling of 2122020120 in words is "two billion, one hundred twenty-two million, twenty thousand, one hundred twenty".