20541641062 has 4 divisors (see below), whose sum is σ = 30812461596. Its totient is φ = 10270820530.

The previous prime is 20541641051. The next prime is 20541641077. The reversal of 20541641062 is 26014614502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5135410264 + ... + 5135410267.

It is an arithmetic number, because the mean of its divisors is an integer number (7703115399).

Almost surely, 2^20541641062 is an apocalyptic number.

20541641062 is a deficient number, since it is larger than the sum of its proper divisors (10270820534).

20541641062 is a wasteful number, since it uses less digits than its factorization.

20541641062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10270820533.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20541641062 in words is "twenty billion, five hundred forty-one million, six hundred forty-one thousand, sixty-two".