20042422450433 has 2 divisors, whose sum is σ = 20042422450434. Its totient is φ = 20042422450432.

The previous prime is 20042422450423. The next prime is 20042422450447. The reversal of 20042422450433 is 33405422424002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19951525024369 + 90897426064 = 4466713^2 + 301492^2 .

It is a cyclic number.

It is not a de Polignac number, because 20042422450433 - 2⁴ = 20042422450417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20042422450393 and 20042422450402.

It is not a weakly prime, because it can be changed into another prime (20042422450403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021211225216 + 10021211225217.

It is an arithmetic number, because the mean of its divisors is an integer number (10021211225217).

Almost surely, 2^{20042422450433} is an apocalyptic number.

It is an amenable number.

20042422450433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042422450433 is an equidigital number, since it uses as much as digits as its factorization.

20042422450433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 20042422450433 its reverse (33405422424002), we get a palindrome (53447844874435).

The spelling of 20042422450433 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred fifty thousand, four hundred thirty-three".