1420320240011 has 4 divisors (see below), whose sum is σ = 1420323201024. Its totient is φ = 1420317279000.

The previous prime is 1420320239977. The next prime is 1420320240037. The reversal of 1420320240011 is 1100420230241.

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 1420320240011 - 2²⁶ = 1420253131147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420320240041) 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, 577340 + ... + 1781561.

It is an arithmetic number, because the mean of its divisors is an integer number (355080800256).

Almost surely, 2^{1420320240011} is an apocalyptic number.

1420320240011 is a deficient number, since it is larger than the sum of its proper divisors (2961013).

1420320240011 is an equidigital number, since it uses as much as digits as its factorization.

1420320240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961012.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1420320240011 its reverse (1100420230241), we get a palindrome (2520740470252).

The spelling of 1420320240011 in words is "one trillion, four hundred twenty billion, three hundred twenty million, two hundred forty thousand, eleven".