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20020102101010 = 2511941193412251
BaseRepresentation
bin1001000110101010010110…
…00100101111100000010010
32121212220101100010001011101
410203111023010233200102
510111002132114213020
6110325035151535014
74134255536041234
oct443251304574022
977786340101141
1020020102101010
116419528793060
1222b404382a46a
13b22b6cb8956b
144d2d99d20254
1524ab7ea6e00a
hex12354b12f812

20020102101010 has 32 divisors (see below), whose sum is σ = 39353977738944. Its totient is φ = 7272300600000.

The previous prime is 20020102100893. The next prime is 20020102101029. The reversal of 20020102101010 is 1010120102002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96602616 + ... + 96809635.

It is an arithmetic number, because the mean of its divisors is an integer number (1229811804342).

Almost surely, 220020102101010 is an apocalyptic number.

20020102101010 is a deficient number, since it is larger than the sum of its proper divisors (19333875637934).

20020102101010 is a wasteful number, since it uses less digits than its factorization.

20020102101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193413210.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020102101010 its reverse (1010120102002), we get a palindrome (21030222203012).

The spelling of 20020102101010 in words is "twenty trillion, twenty billion, one hundred two million, one hundred one thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 941 1882 4705 9410 10351 20702 51755 103510 193412251 386824502 967061255 1934122510 2127534761 4255069522 10637673805 21275347610 182000928191 364001856382 910004640955 1820009281910 2002010210101 4004020420202 10010051050505 20020102101010