3420202020243 has 8 divisors (see below), whose sum is σ = 4683519883728. Its totient is φ = 2218509418464.

The previous prime is 3420202020223. The next prime is 3420202020247.

It is a happy number.

3420202020243 is nontrivially palindromic in base 10.

3420202020243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3420202020243 - 2⁸ = 3420202019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3420202020247) 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 7 ways as a sum of consecutive naturals, for example, 15406315296 + ... + 15406315517.

It is an arithmetic number, because the mean of its divisors is an integer number (585439985466).

Almost surely, 2^{3420202020243} is an apocalyptic number.

3420202020243 is a deficient number, since it is larger than the sum of its proper divisors (1263317863485).

3420202020243 is a wasteful number, since it uses less digits than its factorization.

3420202020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30812630853.

The product of its (nonzero) digits is 4608, while the sum is 24.

The spelling of 3420202020243 in words is "three trillion, four hundred twenty billion, two hundred two million, twenty thousand, two hundred forty-three".