1020682188 has 24 divisors (see below), whose sum is σ = 2646213360. Its totient is φ = 340227360.

The previous prime is 1020682183. The next prime is 1020682211. The reversal of 1020682188 is 8812860201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1020682183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4725273 + ... + 4725488.

It is an arithmetic number, because the mean of its divisors is an integer number (110258890).

Almost surely, 2^1020682188 is an apocalyptic number.

1020682188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1020682188 is an abundant number, since it is smaller than the sum of its proper divisors (1625531172).

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

1020682188 is a wasteful number, since it uses less digits than its factorization.

1020682188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450774 (or 9450766 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1020682188 is about 31948.1171276180. The cubic root of 1020682188 is about 1006.8470732521.

The spelling of 1020682188 in words is "one billion, twenty million, six hundred eighty-two thousand, one hundred eighty-eight".