20002346 has 16 divisors (see below), whose sum is σ = 36927744. Its totient is φ = 7912944.

The previous prime is 20002337. The next prime is 20002361. The reversal of 20002346 is 64320002.

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 7 ways as a sum of consecutive naturals, for example, 54770 + ... + 55133.

It is an arithmetic number, because the mean of its divisors is an integer number (2307984).

Almost surely, 2^20002346 is an apocalyptic number.

20002346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20002346 is a deficient number, since it is larger than the sum of its proper divisors (16925398).

20002346 is a wasteful number, since it uses less digits than its factorization.

20002346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109925.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20002346 is about 4472.3982380821. The cubic root of 20002346 is about 271.4523746174.

Adding to 20002346 its reverse (64320002), we get a palindrome (84322348).

The spelling of 20002346 in words is "twenty million, two thousand, three hundred forty-six".