2064162920 has 64 divisors (see below), whose sum is σ = 4753313280. Its totient is φ = 806373376.

The previous prime is 2064162913. The next prime is 2064162923. The reversal of 2064162920 is 292614602.

It is not an unprimeable number, because it can be changed into a prime (2064162923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215512 + ... + 1217208.

It is an arithmetic number, because the mean of its divisors is an integer number (74270520).

Almost surely, 2^2064162920 is an apocalyptic number.

2064162920 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 2064162920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376656640).

2064162920 is an abundant number, since it is smaller than the sum of its proper divisors (2689150360).

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

2064162920 is a wasteful number, since it uses less digits than its factorization.

2064162920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2064162920 is about 45433.0597692913. The cubic root of 2064162920 is about 1273.2528513468.

The spelling of 2064162920 in words is "two billion, sixty-four million, one hundred sixty-two thousand, nine hundred twenty".