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200112212020 = 22571499593107
BaseRepresentation
bin1011101001011110011…
…1100000100000110100
3201010112011102122110011
42322113213200200310
511234312211241040
6231532535110004
720312652510520
oct2722747404064
9633464378404
10200112212020
117795a143806
1232949212304
1315b4164a316
149984d70d80
15531323c3ea
hex2e979e0834

200112212020 has 48 divisors (see below), whose sum is σ = 483492643200. Its totient is φ = 68149425024.

The previous prime is 200112211973. The next prime is 200112212021. The reversal of 200112212020 is 20212211002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112212021) 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, 4775694 + ... + 4817413.

It is an arithmetic number, because the mean of its divisors is an integer number (10072763400).

Almost surely, 2200112212020 is an apocalyptic number.

200112212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112212020 is an abundant number, since it is smaller than the sum of its proper divisors (283380431180).

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

200112212020 is a wasteful number, since it uses less digits than its factorization.

200112212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593272 (or 9593270 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200112212020 its reverse (20212211002), we get a palindrome (220324423022).

The spelling of 200112212020 in words is "two hundred billion, one hundred twelve million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 149 298 596 745 1043 1490 2086 2980 4172 5215 10430 20860 9593107 19186214 38372428 47965535 67151749 95931070 134303498 191862140 268606996 335758745 671517490 1343034980 1429372943 2858745886 5717491772 7146864715 10005610601 14293729430 20011221202 28587458860 40022442404 50028053005 100056106010 200112212020