420220099 has 8 divisors (see below), whose sum is σ = 452707920. Its totient is φ = 387755616.

The previous prime is 420220079. The next prime is 420220139. The reversal of 420220099 is 990022024.

It is a happy number.

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 420220099 - 2⁷ = 420219971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420220049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55557 + ... + 62665.

It is an arithmetic number, because the mean of its divisors is an integer number (56588490).

Almost surely, 2^420220099 is an apocalyptic number.

420220099 is a deficient number, since it is larger than the sum of its proper divisors (32487821).

420220099 is a wasteful number, since it uses less digits than its factorization.

420220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 420220099 is about 20499.2706943442. The cubic root of 420220099 is about 749.0180328076.

The spelling of 420220099 in words is "four hundred twenty million, two hundred twenty thousand, ninety-nine".