420142332011 has 4 divisors (see below), whose sum is σ = 420558727800. Its totient is φ = 419725936224.

The previous prime is 420142331971. The next prime is 420142332079. The reversal of 420142332011 is 110233241024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420142332011 - 2¹⁴ = 420142315627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420142332611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208196381 + ... + 208198398.

It is an arithmetic number, because the mean of its divisors is an integer number (105139681950).

Almost surely, 2^420142332011 is an apocalyptic number.

420142332011 is a deficient number, since it is larger than the sum of its proper divisors (416395789).

420142332011 is a wasteful number, since it uses less digits than its factorization.

420142332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416395788.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 420142332011 its reverse (110233241024), we get a palindrome (530375573035).

The spelling of 420142332011 in words is "four hundred twenty billion, one hundred forty-two million, three hundred thirty-two thousand, eleven".