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20010002222 = 272040770039
BaseRepresentation
bin10010101000101100…
…000110011100101110
31220122112100102201102
4102220230012130232
5311440030032342
613105323443102
71305603132620
oct225054063456
956575312642
1020010002222
118539140921
123a65386492
131b6b79a502
14d7b76ac10
157c1a94832
hex4a8b0672e

20010002222 has 16 divisors (see below), whose sum is σ = 34305031680. Its totient is φ = 8575172568.

The previous prime is 20010002219. The next prime is 20010002273. The reversal of 20010002222 is 22220001002.

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, 250679 + ... + 320717.

It is an arithmetic number, because the mean of its divisors is an integer number (2144064480).

Almost surely, 220010002222 is an apocalyptic number.

20010002222 is a deficient number, since it is larger than the sum of its proper divisors (14295029458).

20010002222 is a wasteful number, since it uses less digits than its factorization.

20010002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90455.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20010002222 its reverse (22220001002), we get a palindrome (42230003224).

The spelling of 20010002222 in words is "twenty billion, ten million, two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 20407 40814 70039 140078 142849 285698 490273 980546 1429285873 2858571746 10005001111 20010002222