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20133003120 = 243583887513
BaseRepresentation
bin10010110000000001…
…010011111101110000
31220222002210112020020
4102300001103331300
5312213022044440
613125440043440
71311625463046
oct226001237560
956862715206
1020133003120
1185a161225a
123a9a603580
131b8b1052c9
14d8dc28396
157cc78e3d0
hex4b0053f70

20133003120 has 40 divisors (see below), whose sum is σ = 62412310416. Its totient is φ = 5368800768.

The previous prime is 20133003071. The next prime is 20133003131. The reversal of 20133003120 is 2130033102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20133003120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41943517 + ... + 41943996.

Almost surely, 220133003120 is an apocalyptic number.

20133003120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133003120 is an abundant number, since it is smaller than the sum of its proper divisors (42279307296).

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

20133003120 is a wasteful number, since it uses less digits than its factorization.

20133003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83887529 (or 83887523 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20133003120 its reverse (2130033102), we get a palindrome (22263036222).

The spelling of 20133003120 in words is "twenty billion, one hundred thirty-three million, three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 83887513 167775026 251662539 335550052 419437565 503325078 671100104 838875130 1006650156 1258312695 1342200208 1677750260 2013300312 2516625390 3355500520 4026600624 5033250780 6711001040 10066501560 20133003120