20030746 has 8 divisors (see below), whose sum is σ = 31352544. Its totient is φ = 9579900.

The previous prime is 20030737. The next prime is 20030761. The reversal of 20030746 is 64703002.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 217680 + ... + 217771.

It is an arithmetic number, because the mean of its divisors is an integer number (3919068).

Almost surely, 2^20030746 is an apocalyptic number.

20030746 is a deficient number, since it is larger than the sum of its proper divisors (11321798).

20030746 is a wasteful number, since it uses less digits than its factorization.

20030746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435476.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20030746 is about 4475.5721421959. The cubic root of 20030746 is about 271.5807862497.

Adding to 20030746 its reverse (64703002), we get a palindrome (84733748).

The spelling of 20030746 in words is "twenty million, thirty thousand, seven hundred forty-six".