9990202201 has 16 divisors (see below), whose sum is σ = 12132046080. Its totient is φ = 8030615040.

The previous prime is 9990202163. The next prime is 9990202219. The reversal of 9990202201 is 1022020999.

It is not a de Polignac number, because 9990202201 - 2²³ = 9981813593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9990202231) 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, 115941 + ... + 182818.

It is an arithmetic number, because the mean of its divisors is an integer number (758252880).

Almost surely, 2^9990202201 is an apocalyptic number.

It is an amenable number.

9990202201 is a deficient number, since it is larger than the sum of its proper divisors (2141843879).

9990202201 is a wasteful number, since it uses less digits than its factorization.

9990202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299064.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9990202201 is about 99950.9989995098. The cubic root of 9990202201 is about 2153.7308361728.

The spelling of 9990202201 in words is "nine billion, nine hundred ninety million, two hundred two thousand, two hundred one".