1009020818 has 8 divisors (see below), whose sum is σ = 1629956748. Its totient is φ = 465701904.

The previous prime is 1009020797. The next prime is 1009020823. The reversal of 1009020818 is 8180209001.

1009020818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1003178929 + 5841889 = 31673^2 + 2417^2 .

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

It is a super-2 number, since 2×1009020818² = 2036246022314778248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19404221 + ... + 19404272.

Almost surely, 2^1009020818 is an apocalyptic number.

1009020818 is a deficient number, since it is larger than the sum of its proper divisors (620935930).

1009020818 is a wasteful number, since it uses less digits than its factorization.

1009020818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808508.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1009020818 is about 31765.0880370258. The cubic root of 1009020818 is about 1002.9979426915.

Adding to 1009020818 its reverse (8180209001), we get a palindrome (9189229819).

The spelling of 1009020818 in words is "one billion, nine million, twenty thousand, eight hundred eighteen".