Base | Representation |
---|---|
bin | 10010111011110101… |
… | …011000011010011011 |
3 | 1221110220202002021000 |
4 | 102323311120122123 |
5 | 313114241432303 |
6 | 13201240120043 |
7 | 1316553236664 |
oct | 227365303233 |
9 | 57426662230 |
10 | 20331202203 |
11 | 8693485154 |
12 | 3b34a66023 |
13 | 1bc01ab980 |
14 | dac29c36b |
15 | 7ded8eda3 |
hex | 4bbd5869b |
20331202203 has 16 divisors (see below), whose sum is σ = 32437246240. Its totient is φ = 12511508832.
The previous prime is 20331202189. The next prime is 20331202211. The reversal of 20331202203 is 30220213302.
It is a happy number.
It is not a de Polignac number, because 20331202203 - 218 = 20330940059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20331202103) 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, 28961476 + ... + 28962177.
It is an arithmetic number, because the mean of its divisors is an integer number (2027327890).
Almost surely, 220331202203 is an apocalyptic number.
20331202203 is a deficient number, since it is larger than the sum of its proper divisors (12106044037).
20331202203 is a wasteful number, since it uses less digits than its factorization.
20331202203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57923675 (or 57923669 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20331202203 its reverse (30220213302), we get a palindrome (50551415505).
The spelling of 20331202203 in words is "twenty billion, three hundred thirty-one million, two hundred two thousand, two hundred three".
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