20841610344086 has 24 divisors (see below), whose sum is σ = 37947634809840. Its totient is φ = 8543765730192.

The previous prime is 20841610344053. The next prime is 20841610344179. The reversal of 20841610344086 is 68044301614802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20841610344086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4623247601 + ... + 4623252108.

It is an arithmetic number, because the mean of its divisors is an integer number (1581151450410).

Almost surely, 2^{20841610344086} is an apocalyptic number.

20841610344086 is a deficient number, since it is larger than the sum of its proper divisors (17106024465754).

20841610344086 is a wasteful number, since it uses less digits than its factorization.

20841610344086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246499748 (or 9246499741 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

Adding to 20841610344086 its reverse (68044301614802), we get a palindrome (88885911958888).

The spelling of 20841610344086 in words is "twenty trillion, eight hundred forty-one billion, six hundred ten million, three hundred forty-four thousand, eighty-six".