420663011 has 16 divisors (see below), whose sum is σ = 453146400. Its totient is φ = 389081088.

The previous prime is 420662999. The next prime is 420663017. The reversal of 420663011 is 110366024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420663011 - 2⁶ = 420662947 is a prime.

It is a super-2 number, since 2×420663011² = 353914737647172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420663017) 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, 519575 + ... + 520383.

It is an arithmetic number, because the mean of its divisors is an integer number (28321650).

Almost surely, 2^420663011 is an apocalyptic number.

420663011 is a deficient number, since it is larger than the sum of its proper divisors (32483389).

420663011 is a wasteful number, since it uses less digits than its factorization.

420663011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 420663011 is about 20510.0709652600. The cubic root of 420663011 is about 749.2810954181.

The spelling of 420663011 in words is "four hundred twenty million, six hundred sixty-three thousand, eleven".