20434520004153 has 8 divisors (see below), whose sum is σ = 27246048064128. Its totient is φ = 13623002640144.

The previous prime is 20434520004149. The next prime is 20434520004163. The reversal of 20434520004153 is 35140002543402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20434520004153 - 2² = 20434520004149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20434520004103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648000 + ... + 7903982.

It is an arithmetic number, because the mean of its divisors is an integer number (3405756008016).

Almost surely, 2^{20434520004153} is an apocalyptic number.

It is an amenable number.

20434520004153 is a deficient number, since it is larger than the sum of its proper divisors (6811528059975).

20434520004153 is a wasteful number, since it uses less digits than its factorization.

20434520004153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347983.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20434520004153 its reverse (35140002543402), we get a palindrome (55574522547555).

The spelling of 20434520004153 in words is "twenty trillion, four hundred thirty-four billion, five hundred twenty million, four thousand, one hundred fifty-three".