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20012202010200 = 233523710324733539
BaseRepresentation
bin1001000110011011101000…
…01100010010011001011000
32121212010222202200211220110
410203031310030102121120
510110334442203311300
6110321251221324320
74133556010264431
oct443156414223130
977763882624813
1020012202010200
116416144354994
1222b25b9b666a0
13b221b125780a
144d284aa22488
1524a86b20b550
hex123374312658

20012202010200 has 384 divisors, whose sum is σ = 64377311731200. Its totient is φ = 5138412318720.

The previous prime is 20012202010189. The next prime is 20012202010201. The reversal of 20012202010200 is 201020221002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012202010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5654760031 + ... + 5654763569.

It is an arithmetic number, because the mean of its divisors is an integer number (167649249300).

Almost surely, 220012202010200 is an apocalyptic number.

20012202010200 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 20012202010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32188655865600).

20012202010200 is an abundant number, since it is smaller than the sum of its proper divisors (44365109721000).

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

20012202010200 is a wasteful number, since it uses less digits than its factorization.

20012202010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171 (or 6162 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012202010200 its reverse (201020221002), we get a palindrome (20213222231202).

The spelling of 20012202010200 in words is "twenty trillion, twelve billion, two hundred two million, ten thousand, two hundred".