4020200421331 has 4 divisors (see below), whose sum is σ = 4020204783672. Its totient is φ = 4020196058992.

The previous prime is 4020200421323. The next prime is 4020200421361. The reversal of 4020200421331 is 1331240020204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4020200421331 - 2³ = 4020200421323 is a prime.

It is a super-2 number, since 2×4020200421331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020200421311) 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, 197410 + ... + 2842423.

It is an arithmetic number, because the mean of its divisors is an integer number (1005051195918).

Almost surely, 2^{4020200421331} is an apocalyptic number.

4020200421331 is a deficient number, since it is larger than the sum of its proper divisors (4362341).

4020200421331 is a wasteful number, since it uses less digits than its factorization.

4020200421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362340.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 4020200421331 its reverse (1331240020204), we get a palindrome (5351440441535).

The spelling of 4020200421331 in words is "four trillion, twenty billion, two hundred million, four hundred twenty-one thousand, three hundred thirty-one".