420248283 has 32 divisors (see below), whose sum is σ = 691654656. Its totient is φ = 221021568.

The previous prime is 420248273. The next prime is 420248287. The reversal of 420248283 is 382842024.

It is not a de Polignac number, because 420248283 - 2⁸ = 420248027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420248287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99766 + ... + 103892.

It is an arithmetic number, because the mean of its divisors is an integer number (21614208).

Almost surely, 2^420248283 is an apocalyptic number.

420248283 is a deficient number, since it is larger than the sum of its proper divisors (271406373).

420248283 is a wasteful number, since it uses less digits than its factorization.

420248283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 420248283 is about 20499.9581219084. The cubic root of 420248283 is about 749.0347778835.

The spelling of 420248283 in words is "four hundred twenty million, two hundred forty-eight thousand, two hundred eighty-three".