201980995 has 8 divisors (see below), whose sum is σ = 256634784. Its totient is φ = 152079744.

The previous prime is 201980983. The next prime is 201981007. The reversal of 201980995 is 599089102.

It is an interprime number because it is at equal distance from previous prime (201980983) and next prime (201981007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201980995 - 2²⁵ = 168426563 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188039 + ... + 1188208.

It is an arithmetic number, because the mean of its divisors is an integer number (32079348).

Almost surely, 2^201980995 is an apocalyptic number.

201980995 is a deficient number, since it is larger than the sum of its proper divisors (54653789).

201980995 is a wasteful number, since it uses less digits than its factorization.

201980995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376269.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 201980995 is about 14212.0017942583. The cubic root of 201980995 is about 586.7280290858.

The spelling of 201980995 in words is "two hundred one million, nine hundred eighty thousand, nine hundred ninety-five".