801724020 has 24 divisors (see below), whose sum is σ = 2244827424. Its totient is φ = 213793056.

The previous prime is 801724003. The next prime is 801724031. The reversal of 801724020 is 20427108.

It is a super-2 number, since 2×801724020² = 1285522808489920800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6680974 + ... + 6681093.

It is an arithmetic number, because the mean of its divisors is an integer number (93534476).

Almost surely, 2^801724020 is an apocalyptic number.

It is an amenable number.

801724020 is an abundant number, since it is smaller than the sum of its proper divisors (1443103404).

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

801724020 is a wasteful number, since it uses less digits than its factorization.

801724020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362079 (or 13362077 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 801724020 is about 28314.7315014640. The cubic root of 801724020 is about 928.9841376013.

The spelling of 801724020 in words is "eight hundred one million, seven hundred twenty-four thousand, twenty".