420111210004 has 18 divisors (see below), whose sum is σ = 775925623914. Its totient is φ = 199000046160.

The previous prime is 420111209971. The next prime is 420111210007. The reversal of 420111210004 is 400012111024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213904400004 + 206206810000 = 462498^2 + 454100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420111210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420111210007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145466427 + ... + 145469314.

Almost surely, 2^420111210004 is an apocalyptic number.

It is an amenable number.

420111210004 is a deficient number, since it is larger than the sum of its proper divisors (355814413910).

420111210004 is a wasteful number, since it uses less digits than its factorization.

420111210004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290935783 (or 290935762 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 420111210004 its reverse (400012111024), we get a palindrome (820123321028).

The spelling of 420111210004 in words is "four hundred twenty billion, one hundred eleven million, two hundred ten thousand, four".