1023220201 has 2 divisors, whose sum is σ = 1023220202. Its totient is φ = 1023220200.

The previous prime is 1023220183. The next prime is 1023220229. The reversal of 1023220201 is 1020223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 889470976 + 133749225 = 29824^2 + 11565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023220201 - 2⁷ = 1023220073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023220241) 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, 511610100 + 511610101.

It is an arithmetic number, because the mean of its divisors is an integer number (511610101).

Almost surely, 2^1023220201 is an apocalyptic number.

It is an amenable number.

1023220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023220201 is an equidigital number, since it uses as much as digits as its factorization.

1023220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1023220201 is about 31987.8133200755. The cubic root of 1023220201 is about 1007.6809194276.

Adding to 1023220201 its reverse (1020223201), we get a palindrome (2043443402).

The spelling of 1023220201 in words is "one billion, twenty-three million, two hundred twenty thousand, two hundred one".