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20201102020200 = 23352191772026493
BaseRepresentation
bin1001001011111011011111…
…00000101000111001101000
32122112012120112101121200010
410211331233200220321220
510121433324104121300
6110544131432211520
74153324066004523
oct445755740507150
978465515347603
1020201102020200
11648926a4a3332
122323138239ba0
13b36c56a1026a
144dba4a845bba
15250724e3ea50
hex125f6f828e68

20201102020200 has 96 divisors (see below), whose sum is σ = 65919385576800. Its totient is φ = 5103436296960.

The previous prime is 20201102020199. The next prime is 20201102020223. The reversal of 20201102020200 is 202020110202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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, 886001847 + ... + 886024646.

It is an arithmetic number, because the mean of its divisors is an integer number (686660266425).

Almost surely, 220201102020200 is an apocalyptic number.

20201102020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201102020200 is an abundant number, since it is smaller than the sum of its proper divisors (45718283556600).

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

20201102020200 is a wasteful number, since it uses less digits than its factorization.

20201102020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772026531 (or 1772026522 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20201102020200 its reverse (202020110202), we get a palindrome (20403122130402).

The spelling of 20201102020200 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 150 152 190 200 228 285 300 380 456 475 570 600 760 950 1140 1425 1900 2280 2850 3800 5700 11400 1772026493 3544052986 5316079479 7088105972 8860132465 10632158958 14176211944 17720264930 21264317916 26580397395 33668503367 35440529860 42528635832 44300662325 53160794790 67337006734 70881059720 88601324650 101005510101 106321589580 132901986975 134674013468 168342516835 177202649300 202011020202 212643179160 265803973950 269348026936 336685033670 354405298600 404022040404 505027550505 531607947900 673370067340 808044080808 841712584175 1010055101010 1063215895800 1346740134680 1683425168350 2020110202020 2525137752525 3366850336700 4040220404040 5050275505050 6733700673400 10100551010100 20201102020200