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20200210221223 = 34758213862309
BaseRepresentation
bin1001001011111001110100…
…10110101100100010100111
32122112010021101022112110101
410211330322112230202213
510121430012304034343
6110543503134004531
74153263016563514
oct445747226544247
978463241275411
1020200210221223
11648895206258a
122322b29646747
13b36b44028666
144db9a422230b
152506c19d2e4d
hex125f3a5ac8a7

20200210221223 has 4 divisors (see below), whose sum is σ = 20258424083880. Its totient is φ = 20141996358568.

The previous prime is 20200210221203. The next prime is 20200210221251. The reversal of 20200210221223 is 32212201200202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20200210221223 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 20200210221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200210221203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29106930808 + ... + 29106931501.

It is an arithmetic number, because the mean of its divisors is an integer number (5064606020970).

Almost surely, 220200210221223 is an apocalyptic number.

20200210221223 is a deficient number, since it is larger than the sum of its proper divisors (58213862657).

20200210221223 is an equidigital number, since it uses as much as digits as its factorization.

20200210221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58213862656.

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

Adding to 20200210221223 its reverse (32212201200202), we get a palindrome (52412411421425).

The spelling of 20200210221223 in words is "twenty trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 347 58213862309 20200210221223