420304066131 has 16 divisors (see below), whose sum is σ = 570629728256. Its totient is φ = 275124983616.

The previous prime is 420304066069. The next prime is 420304066153. The reversal of 420304066131 is 131660403024.

It is not a de Polignac number, because 420304066131 - 2⁹ = 420304065619 is a prime.

It is a super-2 number, since 2×420304066131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420304061131) 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, 4254295 + ... + 4351968.

It is an arithmetic number, because the mean of its divisors is an integer number (35664358016).

Almost surely, 2^420304066131 is an apocalyptic number.

420304066131 is a deficient number, since it is larger than the sum of its proper divisors (150325662125).

420304066131 is a wasteful number, since it uses less digits than its factorization.

420304066131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606562.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 420304066131 its reverse (131660403024), we get a palindrome (551964469155).

The spelling of 420304066131 in words is "four hundred twenty billion, three hundred four million, sixty-six thousand, one hundred thirty-one".