202055207 has 4 divisors (see below), whose sum is σ = 210840240. Its totient is φ = 193270176.

The previous prime is 202055201. The next prime is 202055281. The reversal of 202055207 is 702550202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202055207 - 2²² = 197860903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 8785009 = 202055207 / (2 + 0 + 2 + 0 + 5 + 5 + 2 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202055201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392482 + ... + 4392527.

It is an arithmetic number, because the mean of its divisors is an integer number (52710060).

Almost surely, 2^202055207 is an apocalyptic number.

202055207 is a deficient number, since it is larger than the sum of its proper divisors (8785033).

202055207 is an equidigital number, since it uses as much as digits as its factorization.

202055207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785032.

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

The square root of 202055207 is about 14214.6124463525. The cubic root of 202055207 is about 586.7998789625.

The spelling of 202055207 in words is "two hundred two million, fifty-five thousand, two hundred seven".