20054131151 has 4 divisors (see below), whose sum is σ = 20054418600. Its totient is φ = 20053843704.

The previous prime is 20054131147. The next prime is 20054131157. The reversal of 20054131151 is 15113145002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20054131151 - 2² = 20054131147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054131157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35045 + ... + 203313.

It is an arithmetic number, because the mean of its divisors is an integer number (5013604650).

Almost surely, 2^20054131151 is an apocalyptic number.

20054131151 is a deficient number, since it is larger than the sum of its proper divisors (287449).

20054131151 is a wasteful number, since it uses less digits than its factorization.

20054131151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287448.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 20054131151 its reverse (15113145002), we get a palindrome (35167276153).

The spelling of 20054131151 in words is "twenty billion, fifty-four million, one hundred thirty-one thousand, one hundred fifty-one".