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20012312200302 = 2325232125803293
BaseRepresentation
bin1001000110011011110101…
…10000101000010001101110
32121212011021110001002022100
410203031322300220101232
510110340203410402202
6110321310155155530
74133561516010402
oct443157260502156
977764243032270
1020012312200302
1164161a0576394
1222b262aa45ba6
13b221cb028566
144d285b507102
1524a875c2541c
hex12337ac2846e

20012312200302 has 24 divisors (see below), whose sum is σ = 43442916116184. Its totient is φ = 6658015910544.

The previous prime is 20012312200289. The next prime is 20012312200303. The reversal of 20012312200302 is 20300221321002.

20012312200302 is a `hidden beast` number, since 20 + 0 + 12 + 312 + 20 + 0 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012312200303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062892233 + ... + 1062911060.

It is an arithmetic number, because the mean of its divisors is an integer number (1810121504841).

Almost surely, 220012312200302 is an apocalyptic number.

20012312200302 is an abundant number, since it is smaller than the sum of its proper divisors (23430603915882).

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

20012312200302 is a wasteful number, since it uses less digits than its factorization.

20012312200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125803824 (or 2125803821 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20012312200302 its reverse (20300221321002), we get a palindrome (40312533521304).

The spelling of 20012312200302 in words is "twenty trillion, twelve billion, three hundred twelve million, two hundred thousand, three hundred two".

Divisors: 1 2 3 6 9 18 523 1046 1569 3138 4707 9414 2125803293 4251606586 6377409879 12754819758 19132229637 38264459274 1111795122239 2223590244478 3335385366717 6670770733434 10006156100151 20012312200302