Base | Representation |
---|---|
bin | 1001001011111101001100… |
… | …01110100001111100110011 |
3 | 2122112021221111202211200102 |
4 | 10211332212032201330303 |
5 | 10121442214111120034 |
6 | 110544402504143015 |
7 | 4153355613612035 |
oct | 445764616417463 |
9 | 78467844684612 |
10 | 20202020020019 |
11 | 64896a06aa172 |
12 | 2323353767a6b |
13 | b37071c69816 |
14 | 4dbad6729c55 |
15 | 25077a82497e |
hex | 125fa63a1f33 |
20202020020019 has 4 divisors (see below), whose sum is σ = 20202059665296. Its totient is φ = 20201980374744.
The previous prime is 20202020019953. The next prime is 20202020020031. The reversal of 20202020020019 is 91002002020202.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20202020020019 - 28 = 20202020019763 is a prime.
It is a super-2 number, since 2×202020200200192 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20202026020019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048199 + ... + 20080784.
It is an arithmetic number, because the mean of its divisors is an integer number (5050514916324).
Almost surely, 220202020020019 is an apocalyptic number.
20202020020019 is a deficient number, since it is larger than the sum of its proper divisors (39645277).
20202020020019 is an equidigital number, since it uses as much as digits as its factorization.
20202020020019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39645276.
The product of its (nonzero) digits is 288, while the sum is 20.
The spelling of 20202020020019 in words is "twenty trillion, two hundred two billion, twenty million, twenty thousand, nineteen".
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