2028520773120 has 320 divisors, whose sum is σ = 7051988661696. Its totient is φ = 495357788160.

The previous prime is 2028520773091. The next prime is 2028520773193. The reversal of 2028520773120 is 213770258202.

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

It is a super-2 number, since 2×2028520773120² (a number of 25 digits) 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 31 ways as a sum of consecutive naturals, for example, 4620760 + ... + 5040680.

Almost surely, 2^{2028520773120} is an apocalyptic number.

2028520773120 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 2028520773120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525994330848).

2028520773120 is an abundant number, since it is smaller than the sum of its proper divisors (5023467888576).

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

2028520773120 is a wasteful number, since it uses less digits than its factorization.

2028520773120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420001 (or 419985 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 2028520773120 in words is "two trillion, twenty-eight billion, five hundred twenty million, seven hundred seventy-three thousand, one hundred twenty".