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200112021010020 = 223578316273528241
BaseRepresentation
bin101101100000000000110101…
…111011010111011001100100
3222020112112002210220222111110
4231200000311323113121210
5202212113404334310040
61545334105432305020
760102421300223460
oct5540006573273144
9866475083828443
10200112021010020
1158842038a50179
121a53b072b42170
1387876373ab1b2
14375b68b3b14a0
15182058d7e9980
hexb60035ed7664

200112021010020 has 192 divisors, whose sum is σ = 648472137578496. Its totient is φ = 45161020385280.

The previous prime is 200112021010001. The next prime is 200112021010091. The reversal of 200112021010020 is 20010120211002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200112021009978 and 200112021010005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54953100 + ... + 58481340.

It is an arithmetic number, because the mean of its divisors is an integer number (3377459049888).

Almost surely, 2200112021010020 is an apocalyptic number.

200112021010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200112021010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324236068789248).

200112021010020 is an abundant number, since it is smaller than the sum of its proper divisors (448360116568476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200112021010020 is a wasteful number, since it uses less digits than its factorization.

200112021010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529970 (or 3529968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200112021010020 its reverse (20010120211002), we get a palindrome (220122141221022).

It can be divided in two parts, 2001 and 12021010020, that added together give a palindrome (12021012021).

The spelling of 200112021010020 in words is "two hundred trillion, one hundred twelve billion, twenty-one million, ten thousand, twenty".