20031201222293 has 2 divisors, whose sum is σ = 20031201222294. Its totient is φ = 20031201222292.

The previous prime is 20031201222271. The next prime is 20031201222337. The reversal of 20031201222293 is 39222210213002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12911819263204 + 7119381959089 = 3593302^2 + 2668217^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031201222293 - 2³² = 20026906254997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20031201272293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015600611146 + 10015600611147.

It is an arithmetic number, because the mean of its divisors is an integer number (10015600611147).

Almost surely, 2^{20031201222293} is an apocalyptic number.

It is an amenable number.

20031201222293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031201222293 is an equidigital number, since it uses as much as digits as its factorization.

20031201222293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 20031201222293 its reverse (39222210213002), we get a palindrome (59253411435295).

The spelling of 20031201222293 in words is "twenty trillion, thirty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred ninety-three".