200320749157 has 2 divisors, whose sum is σ = 200320749158. Its totient is φ = 200320749156.

The previous prime is 200320749151. The next prime is 200320749173. The reversal of 200320749157 is 751947023002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183868582401 + 16452166756 = 428799^2 + 128266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200320749157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200320749151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100160374578 + 100160374579.

It is an arithmetic number, because the mean of its divisors is an integer number (100160374579).

Almost surely, 2^200320749157 is an apocalyptic number.

It is an amenable number.

200320749157 is a deficient number, since it is larger than the sum of its proper divisors (1).

200320749157 is an equidigital number, since it uses as much as digits as its factorization.

200320749157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 200320749157 in words is "two hundred billion, three hundred twenty million, seven hundred forty-nine thousand, one hundred fifty-seven".