Search a number
-
+
20202018670 = 252020201867
BaseRepresentation
bin10010110100001000…
…100101011101101110
31221010220122212202201
4102310020211131232
5312333204044140
613140343212114
71313424216421
oct226410453556
957126585681
1020202018670
1186275706a9
123ab974703a
131b9c4baa02
14d990719b8
157d387349a
hex4b422576e

20202018670 has 8 divisors (see below), whose sum is σ = 36363633624. Its totient is φ = 8080807464.

The previous prime is 20202018649. The next prime is 20202018701. The reversal of 20202018670 is 7681020202.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1010100924 + ... + 1010100943.

It is an arithmetic number, because the mean of its divisors is an integer number (4545454203).

Almost surely, 220202018670 is an apocalyptic number.

20202018670 is a deficient number, since it is larger than the sum of its proper divisors (16161614954).

20202018670 is a wasteful number, since it uses less digits than its factorization.

20202018670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020201874.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 20202018670 its reverse (7681020202), we get a palindrome (27883038872).

The spelling of 20202018670 in words is "twenty billion, two hundred two million, eighteen thousand, six hundred seventy".

Divisors: 1 2 5 10 2020201867 4040403734 10101009335 20202018670