20420042231411 has 8 divisors (see below), whose sum is σ = 20882098482624. Its totient is φ = 19960829403840.

The previous prime is 20420042231383. The next prime is 20420042231417. The reversal of 20420042231411 is 11413224002402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20420042231411 - 2⁴² = 16021995720307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20420042231417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710841386 + ... + 710870111.

It is an arithmetic number, because the mean of its divisors is an integer number (2610262310328).

Almost surely, 2^{20420042231411} is an apocalyptic number.

20420042231411 is a deficient number, since it is larger than the sum of its proper divisors (462056251213).

20420042231411 is a wasteful number, since it uses less digits than its factorization.

20420042231411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421711821.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20420042231411 its reverse (11413224002402), we get a palindrome (31833266233813).

The spelling of 20420042231411 in words is "twenty trillion, four hundred twenty billion, forty-two million, two hundred thirty-one thousand, four hundred eleven".