Base | Representation |
---|---|
bin | 100000010011100010011… |
… | …011100011110010010100 |
3 | 21212020012202102102020001 |
4 | 200103202123203302110 |
5 | 242333031003000040 |
6 | 4415504351221044 |
7 | 316250501435650 |
oct | 40234233436224 |
9 | 7766182372201 |
10 | 2220002000020 |
11 | 786552287712 |
12 | 2ba302217784 |
13 | 1314647ab5cc |
14 | 7963d217a60 |
15 | 3cb3246559a |
hex | 204e26e3c94 |
2220002000020 has 96 divisors (see below), whose sum is σ = 5364527890176. Its totient is φ = 755937100800.
The previous prime is 2220001999933. The next prime is 2220002000039. The reversal of 2220002000020 is 200002000222.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 2220001999970 and 2220002000006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19226179 + ... + 19341301.
It is an arithmetic number, because the mean of its divisors is an integer number (55880498856).
Almost surely, 22220002000020 is an apocalyptic number.
2220002000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2220002000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682263945088).
2220002000020 is an abundant number, since it is smaller than the sum of its proper divisors (3144525890156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220002000020 is a wasteful number, since it uses less digits than its factorization.
2220002000020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116081 (or 116079 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 10.
Adding to 2220002000020 its reverse (200002000222), we get a palindrome (2420004000242).
The spelling of 2220002000020 in words is "two trillion, two hundred twenty billion, two million, twenty", and thus it is an aban number.
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