20340430030 has 32 divisors (see below), whose sum is σ = 37153556928. Its totient is φ = 8016153600.

The previous prime is 20340430007. The next prime is 20340430043. The reversal of 20340430030 is 3003404302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136350 + ... + 1154110.

It is an arithmetic number, because the mean of its divisors is an integer number (1161048654).

Almost surely, 2^20340430030 is an apocalyptic number.

20340430030 is a deficient number, since it is larger than the sum of its proper divisors (16813126898).

20340430030 is a wasteful number, since it uses less digits than its factorization.

20340430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19452.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20340430030 its reverse (3003404302), we get a palindrome (23343834332).

The spelling of 20340430030 in words is "twenty billion, three hundred forty million, four hundred thirty thousand, thirty".