Base | Representation |
---|---|
bin | 1001001111101011100110… |
… | …01001010000110111111100 |
3 | 2122222112022111022010102022 |
4 | 10213311303021100313330 |
5 | 10131041331034121340 |
6 | 111123251213015312 |
7 | 4165536435635420 |
oct | 447656311206774 |
9 | 78875274263368 |
10 | 20330012020220 |
11 | 6528a00868331 |
12 | 2344113a84538 |
13 | b4615bb25996 |
14 | 503d99256b80 |
15 | 253c6c2453b5 |
hex | 127d73250dfc |
20330012020220 has 48 divisors (see below), whose sum is σ = 48802914144768. Its totient is φ = 6968734793280.
The previous prime is 20330012020117. The next prime is 20330012020223. The reversal of 20330012020220 is 2202021003302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20330012020223) 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, 15568496 + ... + 16823735.
It is an arithmetic number, because the mean of its divisors is an integer number (1016727378016).
Almost surely, 220330012020220 is an apocalyptic number.
20330012020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20330012020220 is an abundant number, since it is smaller than the sum of its proper divisors (28472902124548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20330012020220 is a wasteful number, since it uses less digits than its factorization.
20330012020220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32396730 (or 32396728 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20330012020220 its reverse (2202021003302), we get a palindrome (22532033023522).
The spelling of 20330012020220 in words is "twenty trillion, three hundred thirty billion, twelve million, twenty thousand, two hundred twenty".
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