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2020235144 = 23252529393
BaseRepresentation
bin111100001101010…
…0101011110001000
312012210102120121212
41320122211132020
513114140011034
6532244352252
7101030500244
oct17032453610
95183376555
102020235144
11947408624
124846a5688
13262710815
14152445424
15bc55d2ce
hex786a5788

2020235144 has 8 divisors (see below), whose sum is σ = 3787940910. Its totient is φ = 1010117568.

The previous prime is 2020235143. The next prime is 2020235177. The reversal of 2020235144 is 4415320202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1774936900 + 245298244 = 42130^2 + 15662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2020235141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126264689 + ... + 126264704.

Almost surely, 22020235144 is an apocalyptic number.

It is an amenable number.

2020235144 is a deficient number, since it is larger than the sum of its proper divisors (1767705766).

2020235144 is a wasteful number, since it uses less digits than its factorization.

2020235144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252529399 (or 252529395 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2020235144 is about 44947.0259750298. The cubic root of 2020235144 is about 1264.1559136440.

Adding to 2020235144 its reverse (4415320202), we get a palindrome (6435555346).

The spelling of 2020235144 in words is "two billion, twenty million, two hundred thirty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 252529393 505058786 1010117572 2020235144