202042207 has 2 divisors, whose sum is σ = 202042208. Its totient is φ = 202042206.

The previous prime is 202042147. The next prime is 202042231. The reversal of 202042207 is 702240202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202042207 - 2¹⁵ = 202009439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202042277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101021103 + 101021104.

It is an arithmetic number, because the mean of its divisors is an integer number (101021104).

Almost surely, 2^202042207 is an apocalyptic number.

202042207 is a deficient number, since it is larger than the sum of its proper divisors (1).

202042207 is an equidigital number, since it uses as much as digits as its factorization.

202042207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 202042207 is about 14214.1551630760. The cubic root of 202042207 is about 586.7872940158.

Adding to 202042207 its reverse (702240202), we get a palindrome (904282409).

The spelling of 202042207 in words is "two hundred two million, forty-two thousand, two hundred seven".