1020882890 has 8 divisors (see below), whose sum is σ = 1837589220. Its totient is φ = 408353152.

The previous prime is 1020882883. The next prime is 1020882913. The reversal of 1020882890 is 982880201.

It can be written as a sum of positive squares in 2 ways, for example, as 892037689 + 128845201 = 29867^2 + 11351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51044135 + ... + 51044154.

Almost surely, 2^1020882890 is an apocalyptic number.

1020882890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020882890 is a deficient number, since it is larger than the sum of its proper divisors (816706330).

1020882890 is a wasteful number, since it uses less digits than its factorization.

1020882890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102088296.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1020882890 is about 31951.2580347003. The cubic root of 1020882890 is about 1006.9130627704.

The spelling of 1020882890 in words is "one billion, twenty million, eight hundred eighty-two thousand, eight hundred ninety".