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2201222020 = 225675692887
BaseRepresentation
bin1000001100110011…
…1111101110000100
312200101222122221111
42003030333232010
514002003101040
61002231454404
7105356035624
oct20314775604
95611878844
102201222020
11a2a594758
12515227404
1329106b94a
1416c4b8884
15cd3addea
hex8333fb84

2201222020 has 48 divisors (see below), whose sum is σ = 4701432960. Its totient is φ = 865522944.

The previous prime is 2201221993. The next prime is 2201222021. The reversal of 2201222020 is 202221022.

2201222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2201222021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761017 + ... + 763903.

It is an arithmetic number, because the mean of its divisors is an integer number (97946520).

Almost surely, 22201222020 is an apocalyptic number.

2201222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201222020 is an abundant number, since it is smaller than the sum of its proper divisors (2500210940).

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

2201222020 is a wasteful number, since it uses less digits than its factorization.

2201222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2201222020 is about 46917.1825667313. The cubic root of 2201222020 is about 1300.8322126962.

Adding to 2201222020 its reverse (202221022), we get a palindrome (2403443042).

The spelling of 2201222020 in words is "two billion, two hundred one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 569 670 1138 1340 2276 2845 2887 5690 5774 11380 11548 14435 28870 38123 57740 76246 152492 190615 193429 381230 386858 762460 773716 967145 1642703 1934290 3285406 3868580 6570812 8213515 16427030 32854060 110061101 220122202 440244404 550305505 1100611010 2201222020