Base | Representation |
---|---|
bin | 10011000011100000… |
… | …111001011100101100 |
3 | 1221210220012020111210 |
4 | 103003200321130230 |
5 | 313400233101340 |
6 | 13222121514420 |
7 | 1323006362121 |
oct | 230340713454 |
9 | 57726166453 |
10 | 20460050220 |
11 | 874a18a615 |
12 | 3b70042a10 |
13 | 1c10ab2cbc |
14 | dc143c748 |
15 | 7eb342180 |
hex | 4c383972c |
20460050220 has 48 divisors (see below), whose sum is σ = 59136150528. Its totient is φ = 5280012480.
The previous prime is 20460050213. The next prime is 20460050227. The reversal of 20460050220 is 2205006402.
It is an interprime number because it is at equal distance from previous prime (20460050213) and next prime (20460050227).
It is a super-2 number, since 2×204600502202 (a number of 21 digits) contains 22 as substring.
20460050220 is a modest number, since divided by 50220 gives 20460 as remainder.
It is not an unprimeable number, because it can be changed into a prime (20460050227) 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, 5498154 + ... + 5501873.
It is an arithmetic number, because the mean of its divisors is an integer number (1232003136).
Almost surely, 220460050220 is an apocalyptic number.
20460050220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20460050220 is an abundant number, since it is smaller than the sum of its proper divisors (38676100308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20460050220 is a wasteful number, since it uses less digits than its factorization.
20460050220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11000070 (or 11000068 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
Adding to 20460050220 its reverse (2205006402), we get a palindrome (22665056622).
The spelling of 20460050220 in words is "twenty billion, four hundred sixty million, fifty thousand, two hundred twenty".
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