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1020220433 = 14929323369
BaseRepresentation
bin111100110011110…
…101010000010001
32122002201120022222
4330303311100101
54042134023213
6245122510425
734165505411
oct7463652021
92562646288
101020220433
11483984791
12245805415
13133499a3b
14996d2641
155e877808
hex3ccf5411

1020220433 has 8 divisors (see below), whose sum is σ = 1030617000. Its totient is φ = 1009871488.

The previous prime is 1020220417. The next prime is 1020220441. The reversal of 1020220433 is 3340220201.

1020220433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52823824 + 967396609 = 7268^2 + 31103^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1020220433 - 24 = 1020220417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020220403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31973 + ... + 55341.

It is an arithmetic number, because the mean of its divisors is an integer number (128827125).

Almost surely, 21020220433 is an apocalyptic number.

It is an amenable number.

1020220433 is a deficient number, since it is larger than the sum of its proper divisors (10396567).

1020220433 is a wasteful number, since it uses less digits than its factorization.

1020220433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1020220433 is about 31940.8896713914. The cubic root of 1020220433 is about 1006.6952183448.

Adding to 1020220433 its reverse (3340220201), we get a palindrome (4360440634).

The spelling of 1020220433 in words is "one billion, twenty million, two hundred twenty thousand, four hundred thirty-three".

Divisors: 1 149 293 23369 43657 3481981 6847117 1020220433