420331043 has 8 divisors (see below), whose sum is σ = 458811696. Its totient is φ = 381895200.

The previous prime is 420331013. The next prime is 420331073. The reversal of 420331043 is 340133024.

It is an interprime number because it is at equal distance from previous prime (420331013) and next prime (420331073).

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 420331043 - 2⁶ = 420330979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420331013) 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, 10205 + ... + 30737.

It is an arithmetic number, because the mean of its divisors is an integer number (57351462).

Almost surely, 2^420331043 is an apocalyptic number.

420331043 is a deficient number, since it is larger than the sum of its proper divisors (38480653).

420331043 is a wasteful number, since it uses less digits than its factorization.

420331043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22405.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420331043 is about 20501.9765632487. The cubic root of 420331043 is about 749.0839440962.

Adding to 420331043 its reverse (340133024), we get a palindrome (760464067).

The spelling of 420331043 in words is "four hundred twenty million, three hundred thirty-one thousand, forty-three".