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20020112211102 = 236298752974191
BaseRepresentation
bin1001000110101010010111…
…01011010011110010011110
32121212220102001010200121020
410203111023223103302132
510111002142211223402
6110325040152345010
74134256021006563
oct443251353236236
977786361120536
1020020112211102
116419533468a03
1222b40470a5166
13b22b71cb9273
144d2d9b3d286a
1524ab808b98bc
hex12354bad3c9e

20020112211102 has 16 divisors (see below), whose sum is σ = 40040860868352. Its totient is φ = 6673264662680.

The previous prime is 20020112211089. The next prime is 20020112211131. The reversal of 20020112211102 is 20111221102002.

It is a super-2 number, since 2×200201122111022 (a number of 27 digits) contains 22 as substring.

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, 26109174 + ... + 26865017.

It is an arithmetic number, because the mean of its divisors is an integer number (2502553804272).

Almost surely, 220020112211102 is an apocalyptic number.

20020112211102 is an abundant number, since it is smaller than the sum of its proper divisors (20020748657250).

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

20020112211102 is a wasteful number, since it uses less digits than its factorization.

20020112211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53037183.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20020112211102 its reverse (20111221102002), we get a palindrome (40131333313104).

The spelling of 20020112211102 in words is "twenty trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 62987 125974 188961 377922 52974191 105948382 158922573 317845146 3336685368517 6673370737034 10010056105551 20020112211102