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20022022223 = 771199202441
BaseRepresentation
bin10010101001011001…
…111101000001001111
31220200100222010001122
4102221121331001033
5312001114202343
613110433231155
71306110244430
oct225131750117
956610863048
1020022022223
118544a00705
123a694024bb
131b71118638
14d7d1b9487
157c2b6b068
hex4a967d04f

20022022223 has 16 divisors (see below), whose sum is σ = 23321318400. Its totient is φ = 16834910400.

The previous prime is 20022022177. The next prime is 20022022247. The reversal of 20022022223 is 32222022002.

It is not a de Polignac number, because 20022022223 - 212 = 20022018127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022022523) 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, 2318 + ... + 200123.

It is an arithmetic number, because the mean of its divisors is an integer number (1457582400).

Almost surely, 220022022223 is an apocalyptic number.

20022022223 is a deficient number, since it is larger than the sum of its proper divisors (3299296177).

20022022223 is a wasteful number, since it uses less digits than its factorization.

20022022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202718.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20022022223 its reverse (32222022002), we get a palindrome (52244044225).

The spelling of 20022022223 in words is "twenty billion, twenty-two million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 7 71 199 497 1393 14129 98903 202441 1417087 14373311 40285759 100613177 282000313 2860288889 20022022223