420203013 has 8 divisors (see below), whose sum is σ = 561052800. Its totient is φ = 279744288.

The previous prime is 420202999. The next prime is 420203033. The reversal of 420203013 is 310302024.

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

It is not a de Polignac number, because 420203013 - 2⁴ = 420202997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420202983 and 420203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420203033) 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, 95248 + ... + 99561.

It is an arithmetic number, because the mean of its divisors is an integer number (70131600).

Almost surely, 2^420203013 is an apocalyptic number.

It is an amenable number.

420203013 is a deficient number, since it is larger than the sum of its proper divisors (140849787).

420203013 is a wasteful number, since it uses less digits than its factorization.

420203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195531.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 420203013 is about 20498.8539435745. The cubic root of 420203013 is about 749.0078810676.

Adding to 420203013 its reverse (310302024), we get a palindrome (730505037).

The spelling of 420203013 in words is "four hundred twenty million, two hundred three thousand, thirteen".