10203120434 has 16 divisors (see below), whose sum is σ = 16591122240. Its totient is φ = 4677944400.

The previous prime is 10203120379. The next prime is 10203120457. The reversal of 10203120434 is 43402130201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295504 + ... + 1303355.

It is an arithmetic number, because the mean of its divisors is an integer number (1036945140).

Almost surely, 2^10203120434 is an apocalyptic number.

10203120434 is a deficient number, since it is larger than the sum of its proper divisors (6388001806).

10203120434 is a wasteful number, since it uses less digits than its factorization.

10203120434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599025.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10203120434 its reverse (43402130201), we get a palindrome (53605250635).

The spelling of 10203120434 in words is "ten billion, two hundred three million, one hundred twenty thousand, four hundred thirty-four".