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1020200212200 = 23352131011294999
BaseRepresentation
bin11101101100010001010…
…10111101011011101000
310121112022111200112020110
432312020222331123220
5113203332223242300
62100401251054320
7133464340502661
oct16661052753350
93545274615213
101020200212200
11363734472344
1214587aba13a0
13752872a3220
1437541168368
151b80ed7e550
hexed88abd6e8

1020200212200 has 192 divisors, whose sum is σ = 3439623600000. Its totient is φ = 248639616000.

The previous prime is 1020200212193. The next prime is 1020200212219. The reversal of 1020200212200 is 22120020201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140301 + ... + 1435299.

It is an arithmetic number, because the mean of its divisors is an integer number (17914706250).

Almost surely, 21020200212200 is an apocalyptic number.

1020200212200 is a gapful number since it is divisible by the number (10) 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 1020200212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719811800000).

1020200212200 is an abundant number, since it is smaller than the sum of its proper divisors (2419423387800).

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

1020200212200 is a wasteful number, since it uses less digits than its factorization.

1020200212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295132 (or 1295123 counting only the distinct ones).

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

Adding to 1020200212200 its reverse (22120020201), we get a palindrome (1042320232401).

The spelling of 1020200212200 in words is "one trillion, twenty billion, two hundred million, two hundred twelve thousand, two hundred".