420023274 has 32 divisors (see below), whose sum is σ = 918025920. Its totient is φ = 127056000.

The previous prime is 420023273. The next prime is 420023281. The reversal of 420023274 is 472320024.

It is not an unprimeable number, because it can be changed into a prime (420023273) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34372 + ... + 44960.

It is an arithmetic number, because the mean of its divisors is an integer number (28688310).

Almost surely, 2^420023274 is an apocalyptic number.

420023274 is an abundant number, since it is smaller than the sum of its proper divisors (498002646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420023274 is a wasteful number, since it uses less digits than its factorization.

420023274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 420023274 is about 20494.4693515104. The cubic root of 420023274 is about 748.9010714835.

Adding to 420023274 its reverse (472320024), we get a palindrome (892343298).

The spelling of 420023274 in words is "four hundred twenty million, twenty-three thousand, two hundred seventy-four".