2420143041021 has 4 divisors (see below), whose sum is σ = 3226857388032. Its totient is φ = 1613428694012.

The previous prime is 2420143041007. The next prime is 2420143041031. The reversal of 2420143041021 is 1201403410242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2420143041021 - 2⁶ = 2420143040957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2420143040982 and 2420143041000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420143041031) 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, 403357173501 + ... + 403357173506.

It is an arithmetic number, because the mean of its divisors is an integer number (806714347008).

Almost surely, 2^{2420143041021} is an apocalyptic number.

It is an amenable number.

2420143041021 is a deficient number, since it is larger than the sum of its proper divisors (806714347011).

2420143041021 is an equidigital number, since it uses as much as digits as its factorization.

2420143041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806714347010.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2420143041021 its reverse (1201403410242), we get a palindrome (3621546451263).

The spelling of 2420143041021 in words is "two trillion, four hundred twenty billion, one hundred forty-three million, forty-one thousand, twenty-one".