20030030 has 16 divisors (see below), whose sum is σ = 37217664. Its totient is φ = 7753440.

The previous prime is 20030027. The next prime is 20030053. The reversal of 20030030 is 3003002.

20030030 is a modest number, since divided by 30030 gives 20 as remainder.

It is a congruent number.

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, 31997 + ... + 32616.

It is an arithmetic number, because the mean of its divisors is an integer number (2326104).

Almost surely, 2^20030030 is an apocalyptic number.

20030030 is a deficient number, since it is larger than the sum of its proper divisors (17187634).

20030030 is a wasteful number, since it uses less digits than its factorization.

20030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64651.

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 20030030 is about 4475.4921517080. The cubic root of 20030030 is about 271.5775503216.

Adding to 20030030 its reverse (3003002), we get a palindrome (23033032).

The spelling of 20030030 in words is "twenty million, thirty thousand, thirty".