203220049 has 2 divisors, whose sum is σ = 203220050. Its totient is φ = 203220048.

The previous prime is 203220041. The next prime is 203220079. The reversal of 203220049 is 940022302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201640000 + 1580049 = 14200^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 203220049 - 2³ = 203220041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610024 + 101610025.

It is an arithmetic number, because the mean of its divisors is an integer number (101610025).

Almost surely, 2^203220049 is an apocalyptic number.

It is an amenable number.

203220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

203220049 is an equidigital number, since it uses as much as digits as its factorization.

203220049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 203220049 is about 14255.5269632518. The cubic root of 203220049 is about 587.9253466625.

The spelling of 203220049 in words is "two hundred three million, two hundred twenty thousand, forty-nine".