Search a number
-
+
2003270020 = 225100163501
BaseRepresentation
bin111011101100111…
…0111100110000100
312011121111122211221
41313121313212010
513100314120040
6530441010124
7100433341243
oct16731674604
95147448757
102003270020
11938880464
1247aa83944
1325c05089b
141500aa95a
15bad0b74a
hex77677984

2003270020 has 12 divisors (see below), whose sum is σ = 4206867084. Its totient is φ = 801308000.

The previous prime is 2003269993. The next prime is 2003270023. The reversal of 2003270020 is 200723002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 593117316 + 1410152704 = 24354^2 + 37552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2003269976 and 2003270003.

It is not an unprimeable number, because it can be changed into a prime (2003270023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50081731 + ... + 50081770.

It is an arithmetic number, because the mean of its divisors is an integer number (350572257).

Almost surely, 22003270020 is an apocalyptic number.

2003270020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003270020 is an abundant number, since it is smaller than the sum of its proper divisors (2203597064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003270020 is a wasteful number, since it uses less digits than its factorization.

2003270020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100163510 (or 100163508 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2003270020 is about 44757.9045532742. The cubic root of 2003270020 is about 1260.6073371737.

Adding to 2003270020 its reverse (200723002), we get a palindrome (2203993022).

The spelling of 2003270020 in words is "two billion, three million, two hundred seventy thousand, twenty".

Divisors: 1 2 4 5 10 20 100163501 200327002 400654004 500817505 1001635010 2003270020