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20203030202202 = 23217101653692817
BaseRepresentation
bin1001001011111111000100…
…11100000100011101011010
32122112101112220121102010100
410211333202130010131122
510122001301212432302
6110545051032000230
74153422631201431
oct445774234043532
978471486542110
1020203030202202
11648a069947a81
122323595b30076
13b371a3330463
144dbb90968118
152507d9367d1c
hex125fe270475a

20203030202202 has 48 divisors (see below), whose sum is σ = 46807020540072. Its totient is φ = 6275451033600.

The previous prime is 20203030202171. The next prime is 20203030202209. The reversal of 20203030202202 is 20220203030202.

20203030202202 is a `hidden beast` number, since 202 + 0 + 30 + 30 + 202 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16917435312561 + 3285594889641 = 4113081^2 + 1812621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20203030202209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 326815503 + ... + 326877314.

Almost surely, 220203030202202 is an apocalyptic number.

20203030202202 is an abundant number, since it is smaller than the sum of its proper divisors (26603990337870).

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

20203030202202 is a wasteful number, since it uses less digits than its factorization.

20203030202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653692943 (or 653692940 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20203030202202 its reverse (20220203030202), we get a palindrome (40423233232404).

The spelling of 20203030202202 in words is "twenty trillion, two hundred three billion, thirty million, two hundred two thousand, two hundred two".

Divisors: 1 2 3 6 9 17 18 34 51 101 102 153 202 303 306 606 909 1717 1818 3434 5151 10302 15453 30906 653692817 1307385634 1961078451 3922156902 5883235353 11112777889 11766470706 22225555778 33338333667 66022974517 66676667334 100015001001 132045949034 198068923551 200030002002 396137847102 594206770653 1122390566789 1188413541306 2244781133578 3367171700367 6734343400734 10101515101101 20203030202202