20103011421234 has 64 divisors (see below), whose sum is σ = 48797036810496. Its totient is φ = 5389810642944.

The previous prime is 20103011421203. The next prime is 20103011421253. The reversal of 20103011421234 is 43212411030102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41533089 + ... + 42014324.

It is an arithmetic number, because the mean of its divisors is an integer number (762453700164).

Almost surely, 2^{20103011421234} is an apocalyptic number.

20103011421234 is an abundant number, since it is smaller than the sum of its proper divisors (28694025389262).

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

20103011421234 is a wasteful number, since it uses less digits than its factorization.

20103011421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83547779.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20103011421234 its reverse (43212411030102), we get a palindrome (63315422451336).

The spelling of 20103011421234 in words is "twenty trillion, one hundred three billion, eleven million, four hundred twenty-one thousand, two hundred thirty-four".