2043169920 has 320 divisors, whose sum is σ = 7962071040. Its totient is φ = 495175680.

The previous prime is 2043169889. The next prime is 2043169943. The reversal of 2043169920 is 299613402.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 568449 + ... + 572031.

It is an arithmetic number, because the mean of its divisors is an integer number (24881472).

Almost surely, 2^2043169920 is an apocalyptic number.

2043169920 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 2043169920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981035520).

2043169920 is an abundant number, since it is smaller than the sum of its proper divisors (5918901120).

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

2043169920 is a wasteful number, since it uses less digits than its factorization.

2043169920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2043169920 is about 45201.4371452944. The cubic root of 2043169920 is about 1268.9217127232.

The spelling of 2043169920 in words is "two billion, forty-three million, one hundred sixty-nine thousand, nine hundred twenty".