Search a number
-
+
20010443033 = 729363727103
BaseRepresentation
bin10010101000101101…
…110010000100011001
31220122120011211101202
4102220231302010121
5311440133134113
613105341123545
71305606650030
oct225055620431
956576154352
1020010443033
118539412029
123a655595b5
131b6b8c3049
14d7b843717
157c1b30258
hex4a8b72119

20010443033 has 16 divisors (see below), whose sum is σ = 23665044480. Its totient is φ = 16555202496.

The previous prime is 20010443027. The next prime is 20010443051. The reversal of 20010443033 is 33034401002.

It is a de Polignac number, because none of the positive numbers 2k-20010443033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20010442996 and 20010443014.

It is not an unprimeable number, because it can be changed into a prime (20010443083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724760 + ... + 751862.

It is an arithmetic number, because the mean of its divisors is an integer number (1479065280).

Almost surely, 220010443033 is an apocalyptic number.

It is an amenable number.

20010443033 is a deficient number, since it is larger than the sum of its proper divisors (3654601447).

20010443033 is a wasteful number, since it uses less digits than its factorization.

20010443033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30776.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20010443033 its reverse (33034401002), we get a palindrome (53044844035).

The spelling of 20010443033 in words is "twenty billion, ten million, four hundred forty-three thousand, thirty-three".

Divisors: 1 7 29 203 3637 25459 27103 105473 189721 738311 785987 5501909 98573611 690015277 2858634719 20010443033