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2220020122471 is a prime number
BaseRepresentation
bin100000010011100011100…
…000101100001101100111
321212020021000112010112221
4200103203200230031213
5242333100122404341
64415510235453211
7316251111455044
oct40234340541547
97766230463487
102220020122471
11786561535348
122ba3082b7207
13131468485258
14796417b41cb
153cb33d44ed1
hex204e382c367

2220020122471 has 2 divisors, whose sum is σ = 2220020122472. Its totient is φ = 2220020122470.

The previous prime is 2220020122469. The next prime is 2220020122499. The reversal of 2220020122471 is 1742210200222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220020122471 - 21 = 2220020122469 is a prime.

It is a super-3 number, since 3×22200201224713 (a number of 38 digits) contains 333 as substring.

Together with 2220020122469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220020122421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110010061235 + 1110010061236.

It is an arithmetic number, because the mean of its divisors is an integer number (1110010061236).

Almost surely, 22220020122471 is an apocalyptic number.

2220020122471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220020122471 is an equidigital number, since it uses as much as digits as its factorization.

2220020122471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 2220020122471 its reverse (1742210200222), we get a palindrome (3962230322693).

The spelling of 2220020122471 in words is "two trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, four hundred seventy-one".