20240002021 has 8 divisors (see below), whose sum is σ = 21187173888. Its totient is φ = 19311222000.

The previous prime is 20240002007. The next prime is 20240002087. The reversal of 20240002021 is 12020004202.

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 20240002021 - 2¹⁹ = 20239477733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20240001992 and 20240002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240006021) 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, 4595710 + ... + 4600111.

It is an arithmetic number, because the mean of its divisors is an integer number (2648396736).

Almost surely, 2^20240002021 is an apocalyptic number.

It is an amenable number.

20240002021 is a deficient number, since it is larger than the sum of its proper divisors (947171867).

20240002021 is an equidigital number, since it uses as much as digits as its factorization.

20240002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195923.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20240002021 its reverse (12020004202), we get a palindrome (32260006223).

The spelling of 20240002021 in words is "twenty billion, two hundred forty million, two thousand, twenty-one".