20267434 has 32 divisors (see below), whose sum is σ = 35894016. Its totient is φ = 8478720.

The previous prime is 20267419. The next prime is 20267441. The reversal of 20267434 is 43476202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17002 + ... + 18154.

It is an arithmetic number, because the mean of its divisors is an integer number (1121688).

Almost surely, 2^20267434 is an apocalyptic number.

20267434 is a deficient number, since it is larger than the sum of its proper divisors (15626582).

20267434 is a wasteful number, since it uses less digits than its factorization.

20267434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 20267434 is about 4501.9366943572. The cubic root of 20267434 is about 272.6462879207.

The spelling of 20267434 in words is "twenty million, two hundred sixty-seven thousand, four hundred thirty-four".