2120620 has 12 divisors (see below), whose sum is σ = 4453344. Its totient is φ = 848240.

The previous prime is 2120611. The next prime is 2120621. The reversal of 2120620 is 260212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120620.

It is not an unprimeable number, because it can be changed into a prime (2120621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52996 + ... + 53035.

It is an arithmetic number, because the mean of its divisors is an integer number (371112).

2^2120620 is an apocalyptic number.

2120620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120620 is an abundant number, since it is smaller than the sum of its proper divisors (2332724).

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

2120620 is a wasteful number, since it uses less digits than its factorization.

2120620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106040 (or 106038 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120620 is about 1456.2348711660. The cubic root of 2120620 is about 128.4756876894.

Adding to 2120620 its reverse (260212), we get a palindrome (2380832).

The spelling of 2120620 in words is "two million, one hundred twenty thousand, six hundred twenty".