200120230220993 has 2 divisors, whose sum is σ = 200120230220994. Its totient is φ = 200120230220992.

The previous prime is 200120230220951. The next prime is 200120230221019. The reversal of 200120230220993 is 399022032021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107152972566784 + 92967257654209 = 10351472^2 + 9641953^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120230220993 - 2²⁰ = 200120229172417 is a prime.

It is not a weakly prime, because it can be changed into another prime (200120230220923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060115110496 + 100060115110497.

It is an arithmetic number, because the mean of its divisors is an integer number (100060115110497).

Almost surely, 2^{200120230220993} is an apocalyptic number.

It is an amenable number.

200120230220993 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120230220993 is an equidigital number, since it uses as much as digits as its factorization.

200120230220993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 200120230220993 its reverse (399022032021002), we get a palindrome (599142262241995).

The spelling of 200120230220993 in words is "two hundred trillion, one hundred twenty billion, two hundred thirty million, two hundred twenty thousand, nine hundred ninety-three".