2120410644 has 48 divisors (see below), whose sum is σ = 5499264960. Its totient is φ = 630423040.

The previous prime is 2120410619. The next prime is 2120410673. The reversal of 2120410644 is 4460140212.

It is a happy number.

It is a super-2 number, since 2×2120410644² = 8992282598376989472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144549 + ... + 158540.

It is an arithmetic number, because the mean of its divisors is an integer number (114568020).

Almost surely, 2^2120410644 is an apocalyptic number.

It is an amenable number.

2120410644 is an abundant number, since it is smaller than the sum of its proper divisors (3378854316).

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

2120410644 is a wasteful number, since it uses less digits than its factorization.

2120410644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303160 (or 303158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2120410644 is about 46047.9168258457. The cubic root of 2120410644 is about 1284.7145967416.

Adding to 2120410644 its reverse (4460140212), we get a palindrome (6580550856).

The spelling of 2120410644 in words is "two billion, one hundred twenty million, four hundred ten thousand, six hundred forty-four".