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20042422400969 is a prime number
BaseRepresentation
bin1001000111010011111010…
…11101111011011111001001
32121222000222212200202120122
410203221331131323133021
510111333340113312334
6110343210045233025
74136005624335113
oct443517535733711
977860885622518
1020042422400969
116427a41a38851
1222b8432862775
13b24cb9196147
144d40b643a3b3
1524b53936b32e
hex123a7d77b7c9

20042422400969 has 2 divisors, whose sum is σ = 20042422400970. Its totient is φ = 20042422400968.

The previous prime is 20042422400797. The next prime is 20042422401049. The reversal of 20042422400969 is 96900422424002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18778398894025 + 1264023506944 = 4333405^2 + 1124288^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042422400969 - 244 = 2450236356553 is a prime.

It is a super-2 number, since 2×200424224009692 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20042422400069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021211200484 + 10021211200485.

It is an arithmetic number, because the mean of its divisors is an integer number (10021211200485).

Almost surely, 220042422400969 is an apocalyptic number.

It is an amenable number.

20042422400969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042422400969 is an equidigital number, since it uses as much as digits as its factorization.

20042422400969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 20042422400969 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred thousand, nine hundred sixty-nine".