200220557 has 2 divisors, whose sum is σ = 200220558. Its totient is φ = 200220556.

The previous prime is 200220551. The next prime is 200220569. The reversal of 200220557 is 755022002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196812841 + 3407716 = 14029^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220557 - 2²² = 196026253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200220551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110278 + 100110279.

It is an arithmetic number, because the mean of its divisors is an integer number (100110279).

Almost surely, 2^200220557 is an apocalyptic number.

It is an amenable number.

200220557 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220557 is an equidigital number, since it uses as much as digits as its factorization.

200220557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 200220557 is about 14149.9313425896. The cubic root of 200220557 is about 585.0184395288.

Adding to 200220557 its reverse (755022002), we get a palindrome (955242559).

It can be divided in two parts, 2002 and 20557, that multiplied together give a palindrome (41155114).

The spelling of 200220557 in words is "two hundred million, two hundred twenty thousand, five hundred fifty-seven".