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20333131300220 = 22524134157123503
BaseRepresentation
bin1001001111110001011010…
…00100010111110101111100
32122222211100212202222011012
410213320231010113311330
510131114223103101340
6111124524522014352
74166006643243254
oct447705504276574
978884325688135
1020333131300220
11652a261598592
1223448446473b8
13b465381414ab
145041b362c964
15253da0eeb565
hex127e2d117d7c

20333131300220 has 48 divisors (see below), whose sum is σ = 42878354859648. Its totient is φ = 8099201879040.

The previous prime is 20333131300217. The next prime is 20333131300231. The reversal of 20333131300220 is 2200313133302.

It is a congruent number.

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, 164574989 + ... + 164698491.

It is an arithmetic number, because the mean of its divisors is an integer number (893299059576).

Almost surely, 220333131300220 is an apocalyptic number.

20333131300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333131300220 is an abundant number, since it is smaller than the sum of its proper divisors (22545223559428).

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

20333131300220 is a wasteful number, since it uses less digits than its factorization.

20333131300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157910 (or 157908 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20333131300220 its reverse (2200313133302), we get a palindrome (22533444433522).

The spelling of 20333131300220 in words is "twenty trillion, three hundred thirty-three billion, one hundred thirty-one million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 34157 68314 123503 136628 170785 247006 341570 494012 617515 683140 1235030 2470060 8231837 16463674 29764223 32927348 41159185 59528446 82318370 119056892 148821115 164636740 297642230 595284460 4218491971 8436983942 16873967884 21092459855 42184919710 84369839420 1016656565011 2033313130022 4066626260044 5083282825055 10166565650110 20333131300220