801022020 has 96 divisors (see below), whose sum is σ = 2334130176. Its totient is φ = 205027200.

The previous prime is 801022003. The next prime is 801022037. The reversal of 801022020 is 20220108.

801022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (801022003) and next prime (801022037).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234525 + ... + 237915.

It is an arithmetic number, because the mean of its divisors is an integer number (24313856).

Almost surely, 2^801022020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167065088).

801022020 is an abundant number, since it is smaller than the sum of its proper divisors (1533108156).

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

801022020 is a wasteful number, since it uses less digits than its factorization.

801022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 801022020 is about 28302.3324127182. The cubic root of 801022020 is about 928.7129148847.

Adding to 801022020 its reverse (20220108), we get a palindrome (821242128).

The spelling of 801022020 in words is "eight hundred one million, twenty-two thousand, twenty".