799801020 has 48 divisors (see below), whose sum is σ = 2488271520. Its totient is φ = 213280128.

The previous prime is 799801019. The next prime is 799801033. The reversal of 799801020 is 20108997.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740017 + ... + 741096.

It is an arithmetic number, because the mean of its divisors is an integer number (51838990).

Almost surely, 2^799801020 is an apocalyptic number.

It is an amenable number.

799801020 is an abundant number, since it is smaller than the sum of its proper divisors (1688470500).

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

799801020 is a wasteful number, since it uses less digits than its factorization.

799801020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481131 (or 1481123 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 799801020 is about 28280.7535260290. The cubic root of 799801020 is about 928.2407950618.

The spelling of 799801020 in words is "seven hundred ninety-nine million, eight hundred one thousand, twenty".