20225152543 has 2 divisors, whose sum is σ = 20225152544. Its totient is φ = 20225152542.

The previous prime is 20225152499. The next prime is 20225152559. The reversal of 20225152543 is 34525152202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20225152543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20225152573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112576271 + 10112576272.

It is an arithmetic number, because the mean of its divisors is an integer number (10112576272).

Almost surely, 2^20225152543 is an apocalyptic number.

20225152543 is a deficient number, since it is larger than the sum of its proper divisors (1).

20225152543 is an equidigital number, since it uses as much as digits as its factorization.

20225152543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20225152543 in words is "twenty billion, two hundred twenty-five million, one hundred fifty-two thousand, five hundred forty-three".