20103403434 has 16 divisors (see below), whose sum is σ = 40208594400. Its totient is φ = 6700836560.

The previous prime is 20103403421. The next prime is 20103403469. The reversal of 20103403434 is 43430430102.

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 7 ways as a sum of consecutive naturals, for example, 104992 + ... + 226340.

It is an arithmetic number, because the mean of its divisors is an integer number (2513037150).

Almost surely, 2^20103403434 is an apocalyptic number.

20103403434 is an abundant number, since it is smaller than the sum of its proper divisors (20105190966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103403434 is a wasteful number, since it uses less digits than its factorization.

20103403434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148965.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20103403434 its reverse (43430430102), we get a palindrome (63533833536).

The spelling of 20103403434 in words is "twenty billion, one hundred three million, four hundred three thousand, four hundred thirty-four".