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200310021120 = 21035112107777
BaseRepresentation
bin1011101010001101101…
…0000101110000000000
3201011000221122101112010
42322203122011300000
511240213331133440
6232004322532520
720320604041446
oct2724332056000
9634027571463
10200310021120
1177a5086a700
12329a3507140
1315b73618321
1499a3342b96
1553257b2580
hex2ea3685c00

200310021120 has 264 divisors, whose sum is σ = 704224038672. Its totient is φ = 48559554560.

The previous prime is 200310021071. The next prime is 200310021139. The reversal of 200310021120 is 21120013002.

It is a tau number, because it is divible by the number of its divisors (264).

It is a super-2 number, since 2×2003100211202 (a number of 23 digits) contains 22 as substring.

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 = 200310021096 and 200310021105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1804672 + ... + 1912448.

It is an arithmetic number, because the mean of its divisors is an integer number (2667515298).

Almost surely, 2200310021120 is an apocalyptic number.

200310021120 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 200310021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352112019336).

200310021120 is an abundant number, since it is smaller than the sum of its proper divisors (503914017552).

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

200310021120 is a wasteful number, since it uses less digits than its factorization.

200310021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107827 (or 107798 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 200310021120 its reverse (21120013002), we get a palindrome (221430034122).

The spelling of 200310021120 in words is "two hundred billion, three hundred ten million, twenty-one thousand, one hundred twenty".