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2202210020 = 225110110501
BaseRepresentation
bin1000001101000011…
…0000111011100100
312200110211212020002
42003100300323210
514002231210040
61002305000432
7105400322243
oct20320607344
95613755202
102202210020
11a300a9a8a
12515623118
1329132656a
1416c69495a
15cd506a15
hex83430ee4

2202210020 has 12 divisors (see below), whose sum is σ = 4624641084. Its totient is φ = 880884000.

The previous prime is 2202210019. The next prime is 2202210061. The reversal of 2202210020 is 200122022.

It can be written as a sum of positive squares in 2 ways, for example, as 934280356 + 1267929664 = 30566^2 + 35608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202209983 and 2202210010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055231 + ... + 55055270.

It is an arithmetic number, because the mean of its divisors is an integer number (385386757).

Almost surely, 22202210020 is an apocalyptic number.

2202210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202210020 is an abundant number, since it is smaller than the sum of its proper divisors (2422431064).

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

2202210020 is a wasteful number, since it uses less digits than its factorization.

2202210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110510 (or 110110508 counting only the distinct ones).

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

The square root of 2202210020 is about 46927.7105770141. The cubic root of 2202210020 is about 1301.0268061198.

Adding to 2202210020 its reverse (200122022), we get a palindrome (2402332042).

The spelling of 2202210020 in words is "two billion, two hundred two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 110110501 220221002 440442004 550552505 1101105010 2202210020