201996099 has 10 divisors (see below), whose sum is σ = 301747380. Its totient is φ = 134664012.

The previous prime is 201996073. The next prime is 201996101. The reversal of 201996099 is 990699102.

It is a happy number.

201996099 is a `hidden beast` number, since 20 + 19 + 9 + 609 + 9 = 666.

It is not a de Polignac number, because 201996099 - 2⁹ = 201995587 is a prime.

It is a super-2 number, since 2×201996099² = 81604848022435602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201996059) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1246809 + ... + 1246970.

It is an arithmetic number, because the mean of its divisors is an integer number (30174738).

Almost surely, 2^201996099 is an apocalyptic number.

201996099 is a deficient number, since it is larger than the sum of its proper divisors (99751281).

201996099 is an equidigital number, since it uses as much as digits as its factorization.

201996099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493791 (or 2493782 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 201996099 is about 14212.5331661882. The cubic root of 201996099 is about 586.7426537608.

The spelling of 201996099 in words is "two hundred one million, nine hundred ninety-six thousand, ninety-nine".