2022020728 has 32 divisors (see below), whose sum is σ = 4666203360. Its totient is φ = 799920000.

The previous prime is 2022020669. The next prime is 2022020729. The reversal of 2022020728 is 8270202202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022020729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388023 + ... + 1389478.

It is an arithmetic number, because the mean of its divisors is an integer number (145818855).

Almost surely, 2^2022020728 is an apocalyptic number.

2022020728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2022020728 is an abundant number, since it is smaller than the sum of its proper divisors (2644182632).

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

2022020728 is a wasteful number, since it uses less digits than its factorization.

2022020728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777527 (or 2777523 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2022020728 is about 44966.8847931453. The cubic root of 2022020728 is about 1264.5282451984.

The spelling of 2022020728 in words is "two billion, twenty-two million, twenty thousand, seven hundred twenty-eight".