201009995 has 16 divisors (see below), whose sum is σ = 252141120. Its totient is φ = 153546624.

The previous prime is 201009967. The next prime is 201009997. The reversal of 201009995 is 599900102.

It is a cyclic number.

It is not a de Polignac number, because 201009995 - 2⁶ = 201009931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201009997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85901 + ... + 88209.

It is an arithmetic number, because the mean of its divisors is an integer number (15758820).

Almost surely, 2^201009995 is an apocalyptic number.

201009995 is a deficient number, since it is larger than the sum of its proper divisors (51131125).

201009995 is a wasteful number, since it uses less digits than its factorization.

201009995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 201009995 is about 14177.7993708474. The cubic root of 201009995 is about 585.7863096184.

The spelling of 201009995 in words is "two hundred one million, nine thousand, nine hundred ninety-five".