1028941020 has 72 divisors (see below), whose sum is σ = 3126845904. Its totient is φ = 273881088.

The previous prime is 1028941013. The next prime is 1028941021. The reversal of 1028941020 is 201498201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028941021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98907 + ... + 108813.

Almost surely, 2^1028941020 is an apocalyptic number.

1028941020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028941020 is an abundant number, since it is smaller than the sum of its proper divisors (2097904884).

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

1028941020 is a wasteful number, since it uses less digits than its factorization.

1028941020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499 (or 10494 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1028941020 is about 32077.1105307196. The cubic root of 1028941020 is about 1009.5554099850. Note that the first 3 decimals are identical.

The spelling of 1028941020 in words is "one billion, twenty-eight million, nine hundred forty-one thousand, twenty".