420023254 has 16 divisors (see below), whose sum is σ = 720345600. Its totient is φ = 179933544.

The previous prime is 420023207. The next prime is 420023273. The reversal of 420023254 is 452320024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38857 + ... + 48475.

It is an arithmetic number, because the mean of its divisors is an integer number (45021600).

Almost surely, 2^420023254 is an apocalyptic number.

420023254 is a deficient number, since it is larger than the sum of its proper divisors (300322346).

420023254 is a wasteful number, since it uses less digits than its factorization.

420023254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420023254 is about 20494.4688635739. The cubic root of 420023254 is about 748.9010595968.

Adding to 420023254 its reverse (452320024), we get a palindrome (872343278).

The spelling of 420023254 in words is "four hundred twenty million, twenty-three thousand, two hundred fifty-four".