801108020 has 48 divisors (see below), whose sum is σ = 1814097600. Its totient is φ = 296167680.

The previous prime is 801108019. The next prime is 801108023. The reversal of 801108020 is 20801108.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 801107983 and 801108001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801108023) 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 15 ways as a sum of consecutive naturals, for example, 10130 + ... + 41289.

It is an arithmetic number, because the mean of its divisors is an integer number (37793700).

Almost surely, 2^801108020 is an apocalyptic number.

It is an amenable number.

801108020 is an abundant number, since it is smaller than the sum of its proper divisors (1012989580).

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

801108020 is a wasteful number, since it uses less digits than its factorization.

801108020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51488 (or 51486 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 801108020 is about 28303.8516813525. The cubic root of 801108020 is about 928.7461501144.

Adding to 801108020 its reverse (20801108), we get a palindrome (821909128).

The spelling of 801108020 in words is "eight hundred one million, one hundred eight thousand, twenty".