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2200020122220 = 2235128327285731
BaseRepresentation
bin100000000000111011011…
…010101111101001101100
321210022122011222211221220
4200000323122233221230
5242021120122402340
64402401510223340
7314642356330314
oct40007332575154
97708564884856
102200020122220
11779029006118
122b6466354b50
1312c5cbaaa48b
14786a54cc444
153c3630c8ed0
hex2003b6afa6c

2200020122220 has 48 divisors (see below), whose sum is σ = 6160125904128. Its totient is φ = 586665407680.

The previous prime is 2200020122141. The next prime is 2200020122221. The reversal of 2200020122220 is 222210200022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2200020122220.

It is not an unprimeable number, because it can be changed into a prime (2200020122221) 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, 7556755 + ... + 7842485.

It is an arithmetic number, because the mean of its divisors is an integer number (128335956336).

Almost surely, 22200020122220 is an apocalyptic number.

2200020122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200020122220 is an abundant number, since it is smaller than the sum of its proper divisors (3960105781908).

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

2200020122220 is a wasteful number, since it uses less digits than its factorization.

2200020122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414070 (or 414068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2200020122220 its reverse (222210200022), we get a palindrome (2422230322242).

The spelling of 2200020122220 in words is "two trillion, two hundred billion, twenty million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 128327 256654 285731 384981 513308 571462 641635 769962 857193 1142924 1283270 1428655 1539924 1714386 1924905 2566540 2857310 3428772 3849810 4285965 5714620 7699620 8571930 17143860 36667002037 73334004074 110001006111 146668008148 183335010185 220002012222 366670020370 440004024444 550005030555 733340040740 1100010061110 2200020122220