Base | Representation |
---|---|
bin | 10011000000101101… |
… | …011111011101110100 |
3 | 1221200121200212012112 |
4 | 103000231133131310 |
5 | 313301213120040 |
6 | 13213321510152 |
7 | 1321565543621 |
oct | 230055373564 |
9 | 57617625175 |
10 | 20413020020 |
11 | 8725688088 |
12 | 3b58342358 |
13 | 1c04127593 |
14 | db90b9348 |
15 | 7e7152365 |
hex | 4c0b5f774 |
20413020020 has 24 divisors (see below), whose sum is σ = 42986764800. Its totient is φ = 8142460832.
The previous prime is 20413019981. The next prime is 20413020029. The reversal of 20413020020 is 2002031402.
It is a junction number, because it is equal to n+sod(n) for n = 20413019977 and 20413020004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20413020029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414340 + ... + 1428699.
It is an arithmetic number, because the mean of its divisors is an integer number (1791115200).
Almost surely, 220413020020 is an apocalyptic number.
20413020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20413020020 is an abundant number, since it is smaller than the sum of its proper divisors (22573744780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20413020020 is a wasteful number, since it uses less digits than its factorization.
20413020020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2843407 (or 2843405 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20413020020 its reverse (2002031402), we get a palindrome (22415051422).
The spelling of 20413020020 in words is "twenty billion, four hundred thirteen million, twenty thousand, twenty".
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