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20223122401 is a prime number
BaseRepresentation
bin10010110101011001…
…000101101111100001
31221012101101001122101
4102311121011233201
5312404104404101
613142415410401
71314101463346
oct226531055741
957171331571
1020223122401
1186384751a9
123b04823a01
131ba3999621
14d9bba67cd
157d5641401
hex4b5645be1

20223122401 has 2 divisors, whose sum is σ = 20223122402. Its totient is φ = 20223122400.

The previous prime is 20223122399. The next prime is 20223122407. The reversal of 20223122401 is 10422132202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16668101025 + 3555021376 = 129105^2 + 59624^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223122401 - 21 = 20223122399 is a prime.

Together with 20223122399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20223122407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111561200 + 10111561201.

It is an arithmetic number, because the mean of its divisors is an integer number (10111561201).

Almost surely, 220223122401 is an apocalyptic number.

It is an amenable number.

20223122401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223122401 is an equidigital number, since it uses as much as digits as its factorization.

20223122401 is an evil number, because the sum of its binary digits is even.

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

Adding to 20223122401 its reverse (10422132202), we get a palindrome (30645254603).

The spelling of 20223122401 in words is "twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, four hundred one".