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20244220002 = 234432906147
BaseRepresentation
bin10010110110101001…
…100100100001100010
31221020212001221010000
4102312221210201202
5312430010020002
613144451520430
71314446013366
oct226651444142
957225057100
1020244220002
118649375136
123b0b8b9116
131ba8175506
14da08d92a6
157d740c61c
hex4b6a64862

20244220002 has 40 divisors (see below), whose sum is σ = 46416995856. Its totient is φ = 6591139128.

The previous prime is 20244219949. The next prime is 20244220039. The reversal of 20244220002 is 20002244202.

20244220002 is a `hidden beast` number, since 20 + 2 + 442 + 200 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1446108 + ... + 1460039.

Almost surely, 220244220002 is an apocalyptic number.

20244220002 is an abundant number, since it is smaller than the sum of its proper divisors (26172775854).

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

20244220002 is a wasteful number, since it uses less digits than its factorization.

20244220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906204 (or 2906195 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20244220002 its reverse (20002244202), we get a palindrome (40246464204).

The spelling of 20244220002 in words is "twenty billion, two hundred forty-four million, two hundred twenty thousand, two".

Divisors: 1 2 3 6 9 18 27 43 54 81 86 129 162 258 387 774 1161 2322 3483 6966 2906147 5812294 8718441 17436882 26155323 52310646 78465969 124964321 156931938 235397907 249928642 374892963 470795814 749785926 1124678889 2249357778 3374036667 6748073334 10122110001 20244220002