1028050920 has 256 divisors, whose sum is σ = 3792096000. Its totient is φ = 246094848.

The previous prime is 1028050823. The next prime is 1028050921. The reversal of 1028050920 is 290508201.

It is a super-2 number, since 2×1028050920² = 2113777388225692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1028050921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 518491 + ... + 520469.

It is an arithmetic number, because the mean of its divisors is an integer number (14812875).

Almost surely, 2^1028050920 is an apocalyptic number.

1028050920 is a gapful number since it is divisible by the number (10) 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 1028050920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896048000).

1028050920 is an abundant number, since it is smaller than the sum of its proper divisors (2764045080).

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

1028050920 is a wasteful number, since it uses less digits than its factorization.

1028050920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1028050920 is about 32063.2331495125. The cubic root of 1028050920 is about 1009.2642159339.

The spelling of 1028050920 in words is "one billion, twenty-eight million, fifty thousand, nine hundred twenty".