20611747839346 has 8 divisors (see below), whose sum is σ = 31441649246640. Its totient is φ = 10131198090468.

The previous prime is 20611747839329. The next prime is 20611747839359. The reversal of 20611747839346 is 64393874711602.

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

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, 87337914456 + ... + 87337914691.

It is an arithmetic number, because the mean of its divisors is an integer number (3930206155830).

Almost surely, 2^{20611747839346} is an apocalyptic number.

20611747839346 is a deficient number, since it is larger than the sum of its proper divisors (10829901407294).

20611747839346 is a wasteful number, since it uses less digits than its factorization.

20611747839346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174675829208.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 20611747839346 in words is "twenty trillion, six hundred eleven billion, seven hundred forty-seven million, eight hundred thirty-nine thousand, three hundred forty-six".