20544150500233 has 4 divisors (see below), whose sum is σ = 20558587712128. Its totient is φ = 20529713288340.

The previous prime is 20544150500129. The next prime is 20544150500299. The reversal of 20544150500233 is 33200505144502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20544150500233 - 2²⁵ = 20544116945801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20544150500833) 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, 7218603813 + ... + 7218606658.

It is an arithmetic number, because the mean of its divisors is an integer number (5139646928032).

Almost surely, 2^{20544150500233} is an apocalyptic number.

It is an amenable number.

20544150500233 is a deficient number, since it is larger than the sum of its proper divisors (14437211895).

20544150500233 is a wasteful number, since it uses less digits than its factorization.

20544150500233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437211894.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 20544150500233 its reverse (33200505144502), we get a palindrome (53744655644735).

The spelling of 20544150500233 in words is "twenty trillion, five hundred forty-four billion, one hundred fifty million, five hundred thousand, two hundred thirty-three".