Base | Representation |
---|---|
bin | 10010101010000000… |
… | …110111011100011001 |
3 | 1220201002011100220020 |
4 | 102222000313130121 |
5 | 312011222114001 |
6 | 13111440021053 |
7 | 1306263041340 |
oct | 225200673431 |
9 | 56632140806 |
10 | 20032223001 |
11 | 854a7386aa |
12 | 3a70901789 |
13 | 1b7327a6bb |
14 | d806b2b57 |
15 | 7c39d3736 |
hex | 4aa037719 |
20032223001 has 32 divisors (see below), whose sum is σ = 31102003200. Its totient is φ = 11232055296.
The previous prime is 20032222999. The next prime is 20032223009. The reversal of 20032223001 is 10032223002.
It is not a de Polignac number, because 20032223001 - 21 = 20032222999 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20032223009) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333900 + ... + 389298.
It is an arithmetic number, because the mean of its divisors is an integer number (971937600).
Almost surely, 220032223001 is an apocalyptic number.
20032223001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20032223001 is a deficient number, since it is larger than the sum of its proper divisors (11069780199).
20032223001 is a wasteful number, since it uses less digits than its factorization.
20032223001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55733.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20032223001 its reverse (10032223002), we get a palindrome (30064446003).
Subtracting from 20032223001 its reverse (10032223002), we obtain a palindrome (9999999999).
The spelling of 20032223001 in words is "twenty billion, thirty-two million, two hundred twenty-three thousand, one".
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