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20200120221223 = 1297114231363433
BaseRepresentation
bin1001001011111001101001…
…11111010111111000100111
32122112010001002222001200001
410211330310333113320213
510121424321234034343
6110543450201002131
74153260544601035
oct445746477277047
978463032861601
1020200120221223
116488906281218
122322b03483347
13b36b2b4a6717
144db9962b5555
152506b8b5644d
hex125f34fd7e27

20200120221223 has 8 divisors (see below), whose sum is σ = 20217479280768. Its totient is φ = 20182763913984.

The previous prime is 20200120221181. The next prime is 20200120221233. The reversal of 20200120221223 is 32212202100202.

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

It is a cyclic number.

It is not a de Polignac number, because 20200120221223 - 221 = 20200118124071 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 20200120221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200120221233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14133915 + ... + 15497347.

It is an arithmetic number, because the mean of its divisors is an integer number (2527184910096).

Almost surely, 220200120221223 is an apocalyptic number.

20200120221223 is a deficient number, since it is larger than the sum of its proper divisors (17359059545).

20200120221223 is a wasteful number, since it uses less digits than its factorization.

20200120221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376153.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20200120221223 its reverse (32212202100202), we get a palindrome (52412322321425).

The spelling of 20200120221223 in words is "twenty trillion, two hundred billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 1297 11423 1363433 14815631 1768372601 15574495159 20200120221223