420443303211 has 32 divisors (see below), whose sum is σ = 628245288000. Its totient is φ = 277888665600.

The previous prime is 420443303197. The next prime is 420443303219. The reversal of 420443303211 is 112303344024.

420443303211 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 4 + 330 + 321 + 1 = 666.

It is not a de Polignac number, because 420443303211 - 2¹⁷ = 420443172139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (420443303219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792861 + ... + 2013761.

It is an arithmetic number, because the mean of its divisors is an integer number (19632665250).

Almost surely, 2^420443303211 is an apocalyptic number.

420443303211 is a deficient number, since it is larger than the sum of its proper divisors (207801984789).

420443303211 is a wasteful number, since it uses less digits than its factorization.

420443303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221516 (or 221510 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 420443303211 its reverse (112303344024), we get a palindrome (532746647235).

The spelling of 420443303211 in words is "four hundred twenty billion, four hundred forty-three million, three hundred three thousand, two hundred eleven".