2028669020 has 24 divisors (see below), whose sum is σ = 4868805984. Its totient is φ = 695543616.

The previous prime is 2028669001. The next prime is 2028669029. The reversal of 2028669020 is 209668202.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028669029) 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, 7245107 + ... + 7245386.

It is an arithmetic number, because the mean of its divisors is an integer number (202866916).

Almost surely, 2^2028669020 is an apocalyptic number.

2028669020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028669020 is an abundant number, since it is smaller than the sum of its proper divisors (2840136964).

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

2028669020 is a wasteful number, since it uses less digits than its factorization.

2028669020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490509 (or 14490507 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2028669020 is about 45040.7484396074. The cubic root of 2028669020 is about 1265.9126286238.

The spelling of 2028669020 in words is "two billion, twenty-eight million, six hundred sixty-nine thousand, twenty".