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20330203112 = 232541275389
BaseRepresentation
bin10010111011110001…
…100100011111101000
31221110211212022202122
4102323301210133220
5313114012444422
613201202450412
71316541606122
oct227361443750
957424768678
1020330203112
11869296255a
123b34663a08
131bbcc1bcab
14dac0bc212
157dec43d42
hex4bbc647e8

20330203112 has 8 divisors (see below), whose sum is σ = 38119130850. Its totient is φ = 10165101552.

The previous prime is 20330203087. The next prime is 20330203141. The reversal of 20330203112 is 21130203302.

It can be written as a sum of positive squares in only one way, i.e., 16634292676 + 3695910436 = 128974^2 + 60794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1270637687 + ... + 1270637702.

Almost surely, 220330203112 is an apocalyptic number.

It is an amenable number.

20330203112 is a deficient number, since it is larger than the sum of its proper divisors (17788927738).

20330203112 is a wasteful number, since it uses less digits than its factorization.

20330203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541275395 (or 2541275391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20330203112 its reverse (21130203302), we get a palindrome (41460406414).

The spelling of 20330203112 in words is "twenty billion, three hundred thirty million, two hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 2541275389 5082550778 10165101556 20330203112