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20122203223 = 237126774603
BaseRepresentation
bin10010101111011000…
…000111010001010111
31220221100110211120001
4102233120013101113
5312202241000343
613124412352131
71311434622343
oct225730072127
956840424501
1020122203223
118596506121
123a96a75647
131b88ac3635
14d8c616623
157cb85944d
hex4af607457

20122203223 has 16 divisors (see below), whose sum is σ = 21305396736. Its totient is φ = 18965026080.

The previous prime is 20122203217. The next prime is 20122203229. The reversal of 20122203223 is 32230222102.

It is an interprime number because it is at equal distance from previous prime (20122203217) and next prime (20122203229).

It is a cyclic number.

It is not a de Polignac number, because 20122203223 - 229 = 19585332311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122203229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4369240 + ... + 4373842.

It is an arithmetic number, because the mean of its divisors is an integer number (1331587296).

Almost surely, 220122203223 is an apocalyptic number.

20122203223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20122203223 is a deficient number, since it is larger than the sum of its proper divisors (1183193513).

20122203223 is a wasteful number, since it uses less digits than its factorization.

20122203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20122203223 its reverse (32230222102), we get a palindrome (52352425325).

The spelling of 20122203223 in words is "twenty billion, one hundred twenty-two million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 23 71 1633 2677 4603 61571 105869 190067 326813 4371541 7516699 12322231 283411313 874878401 20122203223