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20300000212200 = 23352191958390931
BaseRepresentation
bin1001001110110011101100…
…10011010011010011101000
32122212122211220210022111010
410213121312103103103220
510130043400023242300
6111101405155503520
74163424633530022
oct447316623232350
978778756708433
1020300000212200
1165171aa999805
12233a338bb7ba0
13b433881880b7
1450274d417012
152530b2587a50
hex1276764d34e8

20300000212200 has 192 divisors, whose sum is σ = 66246217113600. Its totient is φ = 5128102828800.

The previous prime is 20300000212199. The next prime is 20300000212207. The reversal of 20300000212200 is 221200000302.

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

It is not an unprimeable number, because it can be changed into a prime (20300000212207) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 223200735 + ... + 223291665.

It is an arithmetic number, because the mean of its divisors is an integer number (345032380800).

Almost surely, 220300000212200 is an apocalyptic number.

20300000212200 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 20300000212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33123108556800).

20300000212200 is an abundant number, since it is smaller than the sum of its proper divisors (45946216901400).

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

20300000212200 is a wasteful number, since it uses less digits than its factorization.

20300000212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110552 (or 110543 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20300000212200 its reverse (221200000302), we get a palindrome (20521200212502).

The spelling of 20300000212200 in words is "twenty trillion, three hundred billion, two hundred twelve thousand, two hundred".