20617377062752 has 24 divisors (see below), whose sum is σ = 40591887464016. Its totient is φ = 10308326278272.

The previous prime is 20617377062747. The next prime is 20617377062759. The reversal of 20617377062752 is 25726077371602.

It is a junction number, because it is equal to n+sod(n) for n = 20617377062693 and 20617377062702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20617377062759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10394388 + ... + 12217939.

It is an arithmetic number, because the mean of its divisors is an integer number (1691328644334).

Almost surely, 2^{20617377062752} is an apocalyptic number.

It is an amenable number.

20617377062752 is a deficient number, since it is larger than the sum of its proper divisors (19974510401264).

20617377062752 is a wasteful number, since it uses less digits than its factorization.

20617377062752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22640830 (or 22640822 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 20617377062752 in words is "twenty trillion, six hundred seventeen billion, three hundred seventy-seven million, sixty-two thousand, seven hundred fifty-two".