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2200123232120 = 235115000280073
BaseRepresentation
bin100000000001000001100…
…100000100111101111000
321210022220101000101011002
4200001001210010331320
5242021323021411440
64402420032224132
7314645050624262
oct40010144047570
97708811011132
102200123232120
11779081231110
122b649499b048
1312c61726c658
14786b508cb32
153c36c195115
hex20041904f78

2200123232120 has 32 divisors (see below), whose sum is σ = 5400302479920. Its totient is φ = 800044811520.

The previous prime is 2200123232093. The next prime is 2200123232129. The reversal of 2200123232120 is 212323210022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2200123232092 and 2200123232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200123232129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500139597 + ... + 2500140476.

Almost surely, 22200123232120 is an apocalyptic number.

2200123232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200123232120 is an abundant number, since it is smaller than the sum of its proper divisors (3200179247800).

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

2200123232120 is a wasteful number, since it uses less digits than its factorization.

2200123232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000280095 (or 5000280091 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2200123232120 its reverse (212323210022), we get a palindrome (2412446442142).

The spelling of 2200123232120 in words is "two trillion, two hundred billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 5000280073 10000560146 20001120292 25001400365 40002240584 50002800730 55003080803 100005601460 110006161606 200011202920 220012323212 275015404015 440024646424 550030808030 1100061616060 2200123232120