20051403141 has 24 divisors (see below), whose sum is σ = 33927423264. Its totient is φ = 10416312480.

The previous prime is 20051403121. The next prime is 20051403221. The reversal of 20051403141 is 14130415002.

It is not a de Polignac number, because 20051403141 - 2⁹ = 20051402629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051403101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6198570 + ... + 6201803.

It is an arithmetic number, because the mean of its divisors is an integer number (1413642636).

Almost surely, 2^20051403141 is an apocalyptic number.

20051403141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20051403141 is a deficient number, since it is larger than the sum of its proper divisors (13876020123).

20051403141 is a wasteful number, since it uses less digits than its factorization.

20051403141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400401 (or 12400394 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20051403141 its reverse (14130415002), we get a palindrome (34181818143).

The spelling of 20051403141 in words is "twenty billion, fifty-one million, four hundred three thousand, one hundred forty-one".