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20022201112120 = 235811636167281
BaseRepresentation
bin1001000110101110010000…
…01011110101011000111000
32121220002210121202212002121
410203113020023311120320
510111020431441041440
6110330023333011024
74134361544246164
oct443271013653070
977802717685077
1020022201112120
11641a405606189
1222b452a783a74
13b231159bc27c
144d31189cdca4
1524ac53e8d34a
hex1235c82f5638

20022201112120 has 32 divisors (see below), whose sum is σ = 45050514862320. Its totient is φ = 8008780469760.

The previous prime is 20022201112103. The next prime is 20022201112169. The reversal of 20022201112120 is 2121110222002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022201112094 and 20022201112103.

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, 162880 + ... + 6330160.

Almost surely, 220022201112120 is an apocalyptic number.

20022201112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022201112120 is an abundant number, since it is smaller than the sum of its proper divisors (25028313750200).

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

20022201112120 is a wasteful number, since it uses less digits than its factorization.

20022201112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248455 (or 6248451 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022201112120 its reverse (2121110222002), we get a palindrome (22143311334122).

The spelling of 20022201112120 in words is "twenty trillion, twenty-two billion, two hundred one million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 81163 162326 324652 405815 649304 811630 1623260 3246520 6167281 12334562 24669124 30836405 49338248 61672810 123345620 246691240 500555027803 1001110055606 2002220111212 2502775139015 4004440222424 5005550278030 10011100556060 20022201112120