Search a number
-
+
2012322020 = 225531898417
BaseRepresentation
bin111011111110001…
…1001100011100100
312012020112112212012
41313330121203210
513110123301040
6531403013352
7100603312022
oct16774314344
95166475765
102012322020
119429a3355
12481b0a258
13260b9cab7
14151385712
15bb9e8865
hex77f198e4

2012322020 has 24 divisors (see below), whose sum is σ = 4305612024. Its totient is φ = 789741056.

The previous prime is 2012322017. The next prime is 2012322031. The reversal of 2012322020 is 202232102.

It can be written as a sum of positive squares in 4 ways, for example, as 989857444 + 1022464576 = 31462^2 + 31976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2012321986 and 2012322004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948149 + ... + 950268.

It is an arithmetic number, because the mean of its divisors is an integer number (179400501).

Almost surely, 22012322020 is an apocalyptic number.

2012322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012322020 is an abundant number, since it is smaller than the sum of its proper divisors (2293290004).

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

2012322020 is a wasteful number, since it uses less digits than its factorization.

2012322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898479 (or 1898477 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2012322020 is about 44858.9123809305. The cubic root of 2012322020 is about 1262.5032162778.

Adding to 2012322020 its reverse (202232102), we get a palindrome (2214554122).

The spelling of 2012322020 in words is "two billion, twelve million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1898417 3796834 7593668 9492085 18984170 37968340 100616101 201232202 402464404 503080505 1006161010 2012322020