420204838445 has 16 divisors (see below), whose sum is σ = 581986677888. Its totient is φ = 285287582400.

The previous prime is 420204838439. The next prime is 420204838463. The reversal of 420204838445 is 544838402024.

It is not a de Polignac number, because 420204838445 - 2⁴ = 420204838429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420204838396 and 420204838405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59431379 + ... + 59438448.

It is an arithmetic number, because the mean of its divisors is an integer number (36374167368).

Almost surely, 2^420204838445 is an apocalyptic number.

It is an amenable number.

420204838445 is a deficient number, since it is larger than the sum of its proper divisors (161781839443).

420204838445 is a wasteful number, since it uses less digits than its factorization.

420204838445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118869940.

The product of its (nonzero) digits is 983040, while the sum is 44.

The spelling of 420204838445 in words is "four hundred twenty billion, two hundred four million, eight hundred thirty-eight thousand, four hundred forty-five".