2024020020021 has 4 divisors (see below), whose sum is σ = 2698693360032. Its totient is φ = 1349346680012.

The previous prime is 2024020020013. The next prime is 2024020020023. The reversal of 2024020020021 is 1200200204202.

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 2024020020021 - 2³ = 2024020020013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2024020020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337336670001 + ... + 337336670006.

It is an arithmetic number, because the mean of its divisors is an integer number (674673340008).

Almost surely, 2^{2024020020021} is an apocalyptic number.

It is an amenable number.

2024020020021 is a deficient number, since it is larger than the sum of its proper divisors (674673340011).

2024020020021 is an equidigital number, since it uses as much as digits as its factorization.

2024020020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674673340010.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2024020020021 its reverse (1200200204202), we get a palindrome (3224220224223).

The spelling of 2024020020021 in words is "two trillion, twenty-four billion, twenty million, twenty thousand, twenty-one".