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20220220122001 is a prime number
BaseRepresentation
bin1001001100011111000110…
…00010011010001110010001
32122121000220220110211000121
410212033203002122032101
510122242002322401001
6111001012455350241
74154601622124614
oct446174302321621
978530826424017
1020220220122001
116496390134169
122326992982381
13b389b278b933
144dc94196417b
15250e935576a1
hex1263e309a391

20220220122001 has 2 divisors, whose sum is σ = 20220220122002. Its totient is φ = 20220220122000.

The previous prime is 20220220121989. The next prime is 20220220122041. The reversal of 20220220122001 is 10022102202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19121371094401 + 1098849027600 = 4372799^2 + 1048260^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220220122001 - 215 = 20220220089233 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220220122041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110110061000 + 10110110061001.

It is an arithmetic number, because the mean of its divisors is an integer number (10110110061001).

Almost surely, 220220220122001 is an apocalyptic number.

It is an amenable number.

20220220122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220220122001 is an equidigital number, since it uses as much as digits as its factorization.

20220220122001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20220220122001 its reverse (10022102202202), we get a palindrome (30242322324203).

The spelling of 20220220122001 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, one".