20738346463767 has 8 divisors (see below), whose sum is σ = 27984274746624. Its totient is φ = 13658991245048.

The previous prime is 20738346463697. The next prime is 20738346463829. The reversal of 20738346463767 is 76736464383702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20738346463767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20738346463698 and 20738346463707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20738346413767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41643265743 + ... + 41643266240.

It is an arithmetic number, because the mean of its divisors is an integer number (3498034343328).

Almost surely, 2^{20738346463767} is an apocalyptic number.

20738346463767 is a deficient number, since it is larger than the sum of its proper divisors (7245928282857).

20738346463767 is an equidigital number, since it uses as much as digits as its factorization.

20738346463767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83286532069.

The product of its (nonzero) digits is 512096256, while the sum is 66.

The spelling of 20738346463767 in words is "twenty trillion, seven hundred thirty-eight billion, three hundred forty-six million, four hundred sixty-three thousand, seven hundred sixty-seven".