420424413 has 8 divisors (see below), whose sum is σ = 560796000. Its totient is φ = 280167888.

The previous prime is 420424409. The next prime is 420424421. The reversal of 420424413 is 314424024.

It is a happy number.

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

It is not a de Polignac number, because 420424413 - 2² = 420424409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420424313) 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, 19843 + ... + 35136.

It is an arithmetic number, because the mean of its divisors is an integer number (70099500).

Almost surely, 2^420424413 is an apocalyptic number.

It is an amenable number.

420424413 is a deficient number, since it is larger than the sum of its proper divisors (140371587).

420424413 is a wasteful number, since it uses less digits than its factorization.

420424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57531.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 420424413 is about 20504.2535343279. The cubic root of 420424413 is about 749.1394057700.

Adding to 420424413 its reverse (314424024), we get a palindrome (734848437).

The spelling of 420424413 in words is "four hundred twenty million, four hundred twenty-four thousand, four hundred thirteen".