201920275 has 6 divisors (see below), whose sum is σ = 250381172. Its totient is φ = 161536200.

The previous prime is 201920233. The next prime is 201920317. The reversal of 201920275 is 572029102.

It is an interprime number because it is at equal distance from previous prime (201920233) and next prime (201920317).

It is not a de Polignac number, because 201920275 - 2⁹ = 201919763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4038381 + ... + 4038430.

Almost surely, 2^201920275 is an apocalyptic number.

201920275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

201920275 is a deficient number, since it is larger than the sum of its proper divisors (48460897).

201920275 is an equidigital number, since it uses as much as digits as its factorization.

201920275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076821 (or 8076816 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 201920275 is about 14209.8654110445. The cubic root of 201920275 is about 586.6692286748.

Adding to 201920275 its reverse (572029102), we get a palindrome (773949377).

The spelling of 201920275 in words is "two hundred one million, nine hundred twenty thousand, two hundred seventy-five".