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22211202010220 = 2251110560100511
BaseRepresentation
bin1010000110011011100101…
…10011100100110001101100
32220122100222212011010021122
411003031302303210301230
510402402020203311340
6115123404011120112
74451464202005616
oct503156263446154
986570885133248
1022211202010220
117093799543103
1225a881a743038
13c516798a0b92
1456b056845db6
15287b6e97bdb5
hex143372ce4c6c

22211202010220 has 12 divisors (see below), whose sum is σ = 46643524221504. Its totient is φ = 8884480804080.

The previous prime is 22211202010213. The next prime is 22211202010229. The reversal of 22211202010220 is 2201020211222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22211202010229) 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, 555280050236 + ... + 555280050275.

It is an arithmetic number, because the mean of its divisors is an integer number (3886960351792).

Almost surely, 222211202010220 is an apocalyptic number.

22211202010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211202010220 is an abundant number, since it is smaller than the sum of its proper divisors (24432322211284).

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

22211202010220 is a wasteful number, since it uses less digits than its factorization.

22211202010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110560100520 (or 1110560100518 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22211202010220 its reverse (2201020211222), we get a palindrome (24412222221442).

The spelling of 22211202010220 in words is "twenty-two trillion, two hundred eleven billion, two hundred two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1110560100511 2221120201022 4442240402044 5552800502555 11105601005110 22211202010220