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20011201001202 = 2331143375078229
BaseRepresentation
bin1001000110011001110001…
…00001101111011011110010
32121212001102000010022201010
410203030320201233123302
510110330414424014302
6110321004022251350
74133522133662025
oct443147041573362
977761360108633
1020011201001202
116415780302024
1222b237a886b56
13b22081a562b8
144d2793ad11bc
1524a80d3cb16c
hex12333886f6f2

20011201001202 has 32 divisors (see below), whose sum is σ = 41342277818880. Its totient is φ = 6450721349760.

The previous prime is 20011201001191. The next prime is 20011201001219. The reversal of 20011201001202 is 20210010211002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37272577 + ... + 37805652.

It is an arithmetic number, because the mean of its divisors is an integer number (1291946181840).

Almost surely, 220011201001202 is an apocalyptic number.

20011201001202 is an abundant number, since it is smaller than the sum of its proper divisors (21331076817678).

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

20011201001202 is a wasteful number, since it uses less digits than its factorization.

20011201001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75079698.

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

Adding to 20011201001202 its reverse (20210010211002), we get a palindrome (40221211212204).

The spelling of 20011201001202 in words is "twenty trillion, eleven billion, two hundred one million, one thousand, two hundred two".

Divisors: 1 2 3 6 31 62 93 186 1433 2866 4299 8598 44423 88846 133269 266538 75078229 150156458 225234687 450469374 2327425099 4654850198 6982275297 13964550594 107587102157 215174204314 322761306471 645522612942 3335200166867 6670400333734 10005600500601 20011201001202