2164960420 has 48 divisors (see below), whose sum is σ = 5215311360. Its totient is φ = 739499904.

The previous prime is 2164960417. The next prime is 2164960487. The reversal of 2164960420 is 240694612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8917 + ... + 66403.

It is an arithmetic number, because the mean of its divisors is an integer number (108652320).

Almost surely, 2^2164960420 is an apocalyptic number.

2164960420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2164960420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607655680).

2164960420 is an abundant number, since it is smaller than the sum of its proper divisors (3050350940).

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

2164960420 is a wasteful number, since it uses less digits than its factorization.

2164960420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57772 (or 57770 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2164960420 is about 46529.1351735663. The cubic root of 2164960420 is about 1293.6495853670.

The spelling of 2164960420 in words is "two billion, one hundred sixty-four million, nine hundred sixty thousand, four hundred twenty".