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2010222020 = 225100511101
BaseRepresentation
bin111011111010001…
…1000110111000100
312012002120212012102
41313310120313010
513104104101040
6531250011232
7100546414412
oct16764306704
95162525172
102010222020
11941799614
12481276b18
13260615cb1
14150d9a2b2
15bb731515
hex77d18dc4

2010222020 has 12 divisors (see below), whose sum is σ = 4221466284. Its totient is φ = 804088800.

The previous prime is 2010222013. The next prime is 2010222023. The reversal of 2010222020 is 202220102.

It can be written as a sum of positive squares in 2 ways, for example, as 1030281604 + 979940416 = 32098^2 + 31304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2010221992 and 2010222010.

It is not an unprimeable number, because it can be changed into a prime (2010222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50255531 + ... + 50255570.

It is an arithmetic number, because the mean of its divisors is an integer number (351788857).

Almost surely, 22010222020 is an apocalyptic number.

2010222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010222020 is an abundant number, since it is smaller than the sum of its proper divisors (2211244264).

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

2010222020 is a wasteful number, since it uses less digits than its factorization.

2010222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100511110 (or 100511108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2010222020 is about 44835.4995511369. The cubic root of 2010222020 is about 1262.0638930282.

Adding to 2010222020 its reverse (202220102), we get a palindrome (2212442122).

The spelling of 2010222020 in words is "two billion, ten million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 100511101 201022202 402044404 502555505 1005111010 2010222020