200220457 has 2 divisors, whose sum is σ = 200220458. Its totient is φ = 200220456.

The previous prime is 200220439. The next prime is 200220469. The reversal of 200220457 is 754022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199911321 + 309136 = 14139^2 + 556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200220457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200220557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110228 + 100110229.

It is an arithmetic number, because the mean of its divisors is an integer number (100110229).

Almost surely, 2^200220457 is an apocalyptic number.

It is an amenable number.

200220457 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220457 is an equidigital number, since it uses as much as digits as its factorization.

200220457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 200220457 is about 14149.9278090031. The cubic root of 200220457 is about 585.0183421332.

Adding to 200220457 its reverse (754022002), we get a palindrome (954242459).

The spelling of 200220457 in words is "two hundred million, two hundred twenty thousand, four hundred fifty-seven".