Base | Representation |
---|---|
bin | 10011010011110010… |
… | …010100000010001100 |
3 | 1222111220220010012112 |
4 | 103103302110002030 |
5 | 314430130113040 |
6 | 13305153123152 |
7 | 1332533011613 |
oct | 232362240214 |
9 | 58456803175 |
10 | 20733051020 |
11 | 887a2a3110 |
12 | 40275594b8 |
13 | 1c55519936 |
14 | 10097c487a |
15 | 8152bb365 |
hex | 4d3c9408c |
20733051020 has 48 divisors (see below), whose sum is σ = 47516813568. Its totient is φ = 7536231360.
The previous prime is 20733051019. The next prime is 20733051067. The reversal of 20733051020 is 2015033702.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564539 + ... + 600141.
It is an arithmetic number, because the mean of its divisors is an integer number (989933616).
Almost surely, 220733051020 is an apocalyptic number.
20733051020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20733051020 is an abundant number, since it is smaller than the sum of its proper divisors (26783762548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20733051020 is a wasteful number, since it uses less digits than its factorization.
20733051020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38270 (or 38268 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 23.
Adding to 20733051020 its reverse (2015033702), we get a palindrome (22748084722).
The spelling of 20733051020 in words is "twenty billion, seven hundred thirty-three million, fifty-one thousand, twenty".
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