Base | Representation |
---|---|
bin | 1100110100110011100… |
… | …0111010011101010100 |
3 | 210001201102000100212002 |
4 | 3031030320322131110 |
5 | 12102220312220040 |
6 | 245115243414432 |
7 | 21630031214252 |
oct | 3151470723524 |
9 | 701642010762 |
10 | 220333320020 |
11 | 85496462510 |
12 | 36851224418 |
13 | 17a14a8ca98 |
14 | a9427715d2 |
15 | 5ae85d1a15 |
hex | 334ce3a754 |
220333320020 has 48 divisors (see below), whose sum is σ = 509761316736. Its totient is φ = 79327920000.
The previous prime is 220333319953. The next prime is 220333320023. The reversal of 220333320020 is 20023333022.
It is a super-2 number, since 2×2203333200202 (a number of 23 digits) contains 22 as substring.
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 = 220333319974 and 220333320001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220333320023) 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, 4935776 + ... + 4980215.
It is an arithmetic number, because the mean of its divisors is an integer number (10620027432).
Almost surely, 2220333320020 is an apocalyptic number.
220333320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220333320020 is an abundant number, since it is smaller than the sum of its proper divisors (289427996716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220333320020 is a wasteful number, since it uses less digits than its factorization.
220333320020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9916112 (or 9916110 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 220333320020 its reverse (20023333022), we get a palindrome (240356653042).
The spelling of 220333320020 in words is "two hundred twenty billion, three hundred thirty-three million, three hundred twenty thousand, twenty".
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