Base | Representation |
---|---|
bin | 10010101100001111… |
… | …011010010100110000 |
3 | 1220210200110211020000 |
4 | 102230033122110300 |
5 | 312100303342240 |
6 | 13115252550000 |
7 | 1310225463063 |
oct | 225417322460 |
9 | 56720424200 |
10 | 20069590320 |
11 | 856984028a |
12 | 3a81322300 |
13 | 1b7ac31b40 |
14 | d8563c8da |
15 | 7c6e15430 |
hex | 4ac3da530 |
20069590320 has 800 divisors, whose sum is σ = 79310423808. Its totient is φ = 4670078976.
The previous prime is 20069590267. The next prime is 20069590369. The reversal of 20069590320 is 2309596002.
20069590320 is a `hidden beast` number, since 2 + 0 + 0 + 69 + 590 + 3 + 2 + 0 = 666.
It is a super-2 number, since 2×200695903202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 146493292 + ... + 146493428.
Almost surely, 220069590320 is an apocalyptic number.
20069590320 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 20069590320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39655211904).
20069590320 is an abundant number, since it is smaller than the sum of its proper divisors (59240833488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20069590320 is a wasteful number, since it uses less digits than its factorization.
20069590320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The spelling of 20069590320 in words is "twenty billion, sixty-nine million, five hundred ninety thousand, three hundred twenty".
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