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20213133033 = 3192315418103
BaseRepresentation
bin10010110100110010…
…111110111011101001
31221011200120112210210
4102310302332323221
5312344030224113
613141421331333
71313620540002
oct226462767351
957150515723
1020213133033
118632872025
123b01406b49
131ba18ac862
14d9a7261a9
157d481b6c3
hex4b4cbeee9

20213133033 has 16 divisors (see below), whose sum is σ = 29602759680. Its totient is φ = 12211136784.

The previous prime is 20213132999. The next prime is 20213133037. The reversal of 20213133033 is 33033131202.

It is not a de Polignac number, because 20213133033 - 26 = 20213132969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213133037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707741 + ... + 7710362.

It is an arithmetic number, because the mean of its divisors is an integer number (1850172480).

Almost surely, 220213133033 is an apocalyptic number.

20213133033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20213133033 is a deficient number, since it is larger than the sum of its proper divisors (9389626647).

20213133033 is a wasteful number, since it uses less digits than its factorization.

20213133033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15418148.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20213133033 its reverse (33033131202), we get a palindrome (53246264235).

The spelling of 20213133033 in words is "twenty billion, two hundred thirteen million, one hundred thirty-three thousand, thirty-three".

Divisors: 1 3 19 23 57 69 437 1311 15418103 46254309 292943957 354616369 878831871 1063849107 6737711011 20213133033