4023020320420 has 24 divisors (see below), whose sum is σ = 8462446776000. Its totient is φ = 1606521632352.

The previous prime is 4023020320409. The next prime is 4023020320441. The reversal of 4023020320420 is 240230203204.

It is a junction number, because it is equal to n+sod(n) for n = 4023020320391 and 4023020320400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167893710 + ... + 167917669.

It is an arithmetic number, because the mean of its divisors is an integer number (352601949000).

Almost surely, 2^{4023020320420} is an apocalyptic number.

It is an amenable number.

4023020320420 is an abundant number, since it is smaller than the sum of its proper divisors (4439426455580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023020320420 is a wasteful number, since it uses less digits than its factorization.

4023020320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335811987 (or 335811985 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 4023020320420 its reverse (240230203204), we get a palindrome (4263250523624).

The spelling of 4023020320420 in words is "four trillion, twenty-three billion, twenty million, three hundred twenty thousand, four hundred twenty".