20403030141 has 72 divisors (see below), whose sum is σ = 34534858176. Its totient is φ = 12009254400.

The previous prime is 20403030133. The next prime is 20403030143. The reversal of 20403030141 is 14103030402.

It is not a de Polignac number, because 20403030141 - 2³ = 20403030133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403030143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 933741 + ... + 955341.

It is an arithmetic number, because the mean of its divisors is an integer number (479650808).

Almost surely, 2^20403030141 is an apocalyptic number.

It is an amenable number.

20403030141 is a deficient number, since it is larger than the sum of its proper divisors (14131828035).

20403030141 is a wasteful number, since it uses less digits than its factorization.

20403030141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665 (or 21640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20403030141 its reverse (14103030402), we get a palindrome (34506060543).

The spelling of 20403030141 in words is "twenty billion, four hundred three million, thirty thousand, one hundred forty-one".