20543018126 has 8 divisors (see below), whose sum is σ = 30815245800. Its totient is φ = 10271269528.

The previous prime is 20543018117. The next prime is 20543018131. The reversal of 20543018126 is 62181034502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20543018092 and 20543018101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20105 + ... + 203691.

It is an arithmetic number, because the mean of its divisors is an integer number (3851905725).

Almost surely, 2^20543018126 is an apocalyptic number.

20543018126 is a deficient number, since it is larger than the sum of its proper divisors (10272227674).

20543018126 is a wasteful number, since it uses less digits than its factorization.

20543018126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239538.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 20543018126 in words is "twenty billion, five hundred forty-three million, eighteen thousand, one hundred twenty-six".