1030786020 has 192 divisors, whose sum is σ = 3536467200. Its totient is φ = 247173120.

The previous prime is 1030786019. The next prime is 1030786027. The reversal of 1030786020 is 206870301.

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 (1030786027) 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, 575286 + ... + 577074.

It is an arithmetic number, because the mean of its divisors is an integer number (18419100).

Almost surely, 2^1030786020 is an apocalyptic number.

1030786020 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 1030786020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768233600).

1030786020 is an abundant number, since it is smaller than the sum of its proper divisors (2505681180).

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

1030786020 is a wasteful number, since it uses less digits than its factorization.

1030786020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1030786020 is about 32105.8564751044. The cubic root of 1030786020 is about 1010.1584628668.

The spelling of 1030786020 in words is "one billion, thirty million, seven hundred eighty-six thousand, twenty".