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20102022111200 = 255262189404051
BaseRepresentation
bin1001001001000010111011…
…11000110001111111100000
32122011201211111001201222212
410210201131320301333200
510113322420130024300
6110430424054021252
74143215563453211
oct444413570617740
978151744051885
1020102022111200
116450246472217
122307aa6647828
13b2a7c6a0cb83
144d6d2ba91408
1524cd7689e935
hex12485de31fe0

20102022111200 has 72 divisors (see below), whose sum is σ = 49074972047640. Its totient is φ = 8040659648000.

The previous prime is 20102022111179. The next prime is 20102022111251. The reversal of 20102022111200 is 211122020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49549175 + ... + 49953225.

It is an arithmetic number, because the mean of its divisors is an integer number (681596833995).

Almost surely, 220102022111200 is an apocalyptic number.

20102022111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102022111200 is an abundant number, since it is smaller than the sum of its proper divisors (28972949936440).

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

20102022111200 is a wasteful number, since it uses less digits than its factorization.

20102022111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466260 (or 466247 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102022111200 its reverse (211122020102), we get a palindrome (20313144131302).

The spelling of 20102022111200 in words is "twenty trillion, one hundred two billion, twenty-two million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 62189 124378 248756 310945 404051 497512 621890 808102 995024 1243780 1554725 1616204 1990048 2020255 2487560 3109450 3232408 4040510 4975120 6218900 6464816 8081020 9950240 10101275 12437800 12929632 16162040 20202550 24875600 32324080 40405100 49751200 64648160 80810200 161620400 323240800 25127527639 50255055278 100510110556 125637638195 201020221112 251275276390 402040442224 502550552780 628188190975 804080884448 1005101105560 1256376381950 2010202211120 2512752763900 4020404422240 5025505527800 10051011055600 20102022111200