Base | Representation |
---|---|
bin | 10010110101001101… |
… | …111100110000101111 |
3 | 1221012011212200122112 |
4 | 102311031330300233 |
5 | 312402332431111 |
6 | 13142233034235 |
7 | 1314034611221 |
oct | 226515746057 |
9 | 57164780575 |
10 | 20220202031 |
11 | 8636860077 |
12 | 3b0385597b |
13 | 1ba31b62b3 |
14 | d9b646411 |
15 | 7d5265e8b |
hex | 4b537cc2f |
20220202031 has 2 divisors, whose sum is σ = 20220202032. Its totient is φ = 20220202030.
The previous prime is 20220202001. The next prime is 20220202049. The reversal of 20220202031 is 13020202202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20220202031 - 210 = 20220201007 is a prime.
It is a super-2 number, since 2×202202020312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20220201997 and 20220202015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20220202001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110101015 + 10110101016.
It is an arithmetic number, because the mean of its divisors is an integer number (10110101016).
Almost surely, 220220202031 is an apocalyptic number.
20220202031 is a deficient number, since it is larger than the sum of its proper divisors (1).
20220202031 is an equidigital number, since it uses as much as digits as its factorization.
20220202031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20220202031 its reverse (13020202202), we get a palindrome (33240404233).
The spelling of 20220202031 in words is "twenty billion, two hundred twenty million, two hundred two thousand, thirty-one".
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