2028673920 has 512 divisors, whose sum is σ = 8439137280. Its totient is φ = 402259968.

The previous prime is 2028673879. The next prime is 2028673931. The reversal of 2028673920 is 293768202.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2969899 + ... + 2970581.

It is an arithmetic number, because the mean of its divisors is an integer number (16482690).

Almost surely, 2^2028673920 is an apocalyptic number.

2028673920 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 2028673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219568640).

2028673920 is an abundant number, since it is smaller than the sum of its proper divisors (6410463360).

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

2028673920 is a wasteful number, since it uses less digits than its factorization.

2028673920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2028673920 is about 45040.8028347631. The cubic root of 2028673920 is about 1265.9136478416.

The spelling of 2028673920 in words is "two billion, twenty-eight million, six hundred seventy-three thousand, nine hundred twenty".