20054102453 has 32 divisors (see below), whose sum is σ = 26202489600. Its totient is φ = 15204127680.

The previous prime is 20054102413. The next prime is 20054102489. The reversal of 20054102453 is 35420145002.

It is a happy number.

It is not a de Polignac number, because 20054102453 - 2²² = 20049908149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054102413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67775 + ... + 211427.

It is an arithmetic number, because the mean of its divisors is an integer number (818827800).

Almost surely, 2^20054102453 is an apocalyptic number.

It is an amenable number.

20054102453 is a deficient number, since it is larger than the sum of its proper divisors (6148387147).

20054102453 is a wasteful number, since it uses less digits than its factorization.

20054102453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143722 (or 143708 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20054102453 its reverse (35420145002), we get a palindrome (55474247455).

The spelling of 20054102453 in words is "twenty billion, fifty-four million, one hundred two thousand, four hundred fifty-three".