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20020012211122 = 2721118571439899
BaseRepresentation
bin1001000110101010001011…
…01101110101101110110010
32121212220011001222011102021
410203111011231311232302
510111001441111223442
6110325022221142054
74134253365014500
oct443250555655662
977786131864367
1020020012211122
116419491a774a0
1222b40196ba92a
13b22b57375791
144d2d8c001670
1524ab76c14e67
hex123545b75bb2

20020012211122 has 24 divisors (see below), whose sum is σ = 38108594674800. Its totient is φ = 7800004757160.

The previous prime is 20020012210997. The next prime is 20020012211203. The reversal of 20020012211122 is 22111221002002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020012211096 and 20020012211105.

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, 9285718872 + ... + 9285721027.

It is an arithmetic number, because the mean of its divisors is an integer number (1587858111450).

Almost surely, 220020012211122 is an apocalyptic number.

20020012211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020012211122 is a deficient number, since it is larger than the sum of its proper divisors (18088582463678).

20020012211122 is a wasteful number, since it uses less digits than its factorization.

20020012211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571439926 (or 18571439919 counting only the distinct ones).

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

Adding to 20020012211122 its reverse (22111221002002), we get a palindrome (42131233213124).

The spelling of 20020012211122 in words is "twenty trillion, twenty billion, twelve million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 7 11 14 22 49 77 98 154 539 1078 18571439899 37142879798 130000079293 204285838889 260000158586 408571677778 910000555051 1430000872223 1820001110102 2860001744446 10010006105561 20020012211122