420550011 has 12 divisors (see below), whose sum is σ = 694241392. Its totient is φ = 240314256.

The previous prime is 420550001. The next prime is 420550033. The reversal of 420550011 is 110055024.

It is not a de Polignac number, because 420550011 - 2¹³ = 420541819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420550001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3337636 + ... + 3337761.

Almost surely, 2^420550011 is an apocalyptic number.

420550011 is a deficient number, since it is larger than the sum of its proper divisors (273691381).

420550011 is a wasteful number, since it uses less digits than its factorization.

420550011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675410 (or 6675407 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 420550011 is about 20507.3160359907. The cubic root of 420550011 is about 749.2139978887.

The spelling of 420550011 in words is "four hundred twenty million, five hundred fifty thousand, eleven".