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20012102110200 = 23352374719179703
BaseRepresentation
bin1001000110011011011100…
…01111001100101111111000
32121212010201210201101212110
410203031232033030233320
510110334241120011300
6110321233252212320
74133553355166664
oct443155617145770
977763653641773
1020012102110200
1164160a2a21602
1222b259060a0a0
13b2219664a6a5
144d283b6598a4
1524a862576550
hex12336e3ccbf8

20012102110200 has 192 divisors, whose sum is σ = 65069830978560. Its totient is φ = 5081853841920.

The previous prime is 20012102110193. The next prime is 20012102110279. The reversal of 20012102110200 is 201120121002.

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

It is a congruent number.

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, 8546452 + ... + 10633251.

It is an arithmetic number, because the mean of its divisors is an integer number (338905369680).

Almost surely, 220012102110200 is an apocalyptic number.

20012102110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012102110200 is an abundant number, since it is smaller than the sum of its proper divisors (45057728868360).

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

20012102110200 is a wasteful number, since it uses less digits than its factorization.

20012102110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19179806 (or 19179797 counting only the distinct ones).

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

Adding to 20012102110200 its reverse (201120121002), we get a palindrome (20213222231202).

The spelling of 20012102110200 in words is "twenty trillion, twelve billion, one hundred two million, one hundred ten thousand, two hundred".