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20320003024 = 241270000189
BaseRepresentation
bin10010111011001010…
…101010001111010000
31221110010200002212121
4102323022222033100
5313103410044044
613200200104024
71316356114216
oct227312521720
957403602777
1020320003024
118688126032
123b31165014
131bbaa8a339
14daa9c4cb6
157dddcb984
hex4bb2aa3d0

20320003024 has 10 divisors (see below), whose sum is σ = 39370005890. Its totient is φ = 10160001504.

The previous prime is 20320003021. The next prime is 20320003043. The reversal of 20320003024 is 42030002302.

It can be written as a sum of positive squares in only one way, i.e., 11193640000 + 9126363024 = 105800^2 + 95532^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1270000189 = 20320003024 / (2 + 0 + 3 + 2 + 0 + 0 + 0 + 3 + 0 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 20320002989 and 20320003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320003021) by changing a digit.

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 as a sum of consecutive naturals, namely, 635000079 + ... + 635000110.

It is an arithmetic number, because the mean of its divisors is an integer number (3937000589).

Almost surely, 220320003024 is an apocalyptic number.

It is an amenable number.

20320003024 is a deficient number, since it is larger than the sum of its proper divisors (19050002866).

20320003024 is a wasteful number, since it uses less digits than its factorization.

20320003024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270000197 (or 1270000191 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20320003024 its reverse (42030002302), we get a palindrome (62350005326).

The spelling of 20320003024 in words is "twenty billion, three hundred twenty million, three thousand, twenty-four".

Divisors: 1 2 4 8 16 1270000189 2540000378 5080000756 10160001512 20320003024