201890007 has 24 divisors (see below), whose sum is σ = 320107008. Its totient is φ = 121597200.

The previous prime is 201889999. The next prime is 201890023. The reversal of 201890007 is 700098102.

It is not a de Polignac number, because 201890007 - 2³ = 201889999 is a prime.

It is a super-3 number, since 3×201890007³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201890047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9882 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (13337792).

Almost surely, 2^201890007 is an apocalyptic number.

201890007 is a deficient number, since it is larger than the sum of its proper divisors (118217001).

201890007 is a wasteful number, since it uses less digits than its factorization.

201890007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691 (or 12688 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 201890007 is about 14208.8003364112. The cubic root of 201890007 is about 586.6399131581.

The spelling of 201890007 in words is "two hundred one million, eight hundred ninety thousand, seven".