Base | Representation |
---|---|
bin | 10010101001011111… |
… | …010101001101011000 |
3 | 1220200110121201221111 |
4 | 102221133111031120 |
5 | 312001444311044 |
6 | 13110523350104 |
7 | 1306125235561 |
oct | 225137251530 |
9 | 56613551844 |
10 | 20023432024 |
11 | 8545783932 |
12 | 3a69982334 |
13 | 1b714c023b |
14 | d7d465168 |
15 | 7c2d48b34 |
hex | 4a97d5358 |
20023432024 has 32 divisors (see below), whose sum is σ = 38190345840. Its totient is φ = 9839606400.
The previous prime is 20023432021. The next prime is 20023432057. The reversal of 20023432024 is 42023432002.
It is a junction number, because it is equal to n+sod(n) for n = 20023431986 and 20023432004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20023432021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610114 + ... + 642094.
Almost surely, 220023432024 is an apocalyptic number.
It is an amenable number.
20023432024 is a deficient number, since it is larger than the sum of its proper divisors (18166913816).
20023432024 is a wasteful number, since it uses less digits than its factorization.
20023432024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33331 (or 33327 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 22.
Subtracting from 20023432024 its sum of digits (22), we obtain a palindrome (20023432002).
Adding to 20023432024 its reverse (42023432002), we get a palindrome (62046864026).
The spelling of 20023432024 in words is "twenty billion, twenty-three million, four hundred thirty-two thousand, twenty-four".
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