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20100202222 = 215166556961
BaseRepresentation
bin10010101110000100…
…001011111011101110
31220212211002001212011
4102232010023323232
5312131122432342
613122305031434
71311046620442
oct225604137356
956784061764
1020100202222
118585049481
123a8b62557a
131b8438c4a9
14d8972a822
157c9960717
hex4ae10beee

20100202222 has 8 divisors (see below), whose sum is σ = 30349974672. Its totient is φ = 9983544000.

The previous prime is 20100202211. The next prime is 20100202303. The reversal of 20100202222 is 22220200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 33278179 + ... + 33278782.

It is an arithmetic number, because the mean of its divisors is an integer number (3793746834).

Almost surely, 220100202222 is an apocalyptic number.

20100202222 is a deficient number, since it is larger than the sum of its proper divisors (10249772450).

20100202222 is a wasteful number, since it uses less digits than its factorization.

20100202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66557114.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20100202222 its reverse (22220200102), we get a palindrome (42320402324).

The spelling of 20100202222 in words is "twenty billion, one hundred million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 151 302 66556961 133113922 10050101111 20100202222