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20520000043035 = 351972000000151
BaseRepresentation
bin1001010101001101011110…
…10100000011100000011011
32200122200201002021200011220
410222212233110003200123
510142144430002334120
6111350431411423123
74215343505324523
oct452465724034033
980580632250156
1020520000043035
1165a1535083919
122374ab65b4aa3
13b5b048b22bac
1450d25d778683
15258b8b742b40
hex12a9af50381b

20520000043035 has 16 divisors (see below), whose sum is σ = 34560000072960. Its totient is φ = 10368000021600.

The previous prime is 20520000043001. The next prime is 20520000043063. The reversal of 20520000043035 is 53034000002502.

It is not a de Polignac number, because 20520000043035 - 210 = 20520000042011 is a prime.

It is a super-2 number, since 2×205200000430352 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20520000042996 and 20520000043014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35999999791 + ... + 36000000360.

It is an arithmetic number, because the mean of its divisors is an integer number (2160000004560).

Almost surely, 220520000043035 is an apocalyptic number.

20520000043035 is a deficient number, since it is larger than the sum of its proper divisors (14040000029925).

20520000043035 is a wasteful number, since it uses less digits than its factorization.

20520000043035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72000000178.

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 20520000043035 its reverse (53034000002502), we get a palindrome (73554000045537).

The spelling of 20520000043035 in words is "twenty trillion, five hundred twenty billion, forty-three thousand, thirty-five".

Divisors: 1 3 5 15 19 57 95 285 72000000151 216000000453 360000000755 1080000002265 1368000002869 4104000008607 6840000014345 20520000043035