20220220213793 has 2 divisors, whose sum is σ = 20220220213794. Its totient is φ = 20220220213792.

The previous prime is 20220220213789. The next prime is 20220220213811. The reversal of 20220220213793 is 39731202202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15868686536704 + 4351533677089 = 3983552^2 + 2086033^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220220213793 - 2² = 20220220213789 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220220213093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110110106896 + 10110110106897.

It is an arithmetic number, because the mean of its divisors is an integer number (10110110106897).

Almost surely, 2^{20220220213793} is an apocalyptic number.

It is an amenable number.

20220220213793 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220220213793 is an equidigital number, since it uses as much as digits as its factorization.

20220220213793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 20220220213793 its reverse (39731202202202), we get a palindrome (59951422415995).

The spelling of 20220220213793 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred thirteen thousand, seven hundred ninety-three".