20738707507386 has 24 divisors (see below), whose sum is σ = 49018763199744. Its totient is φ = 6284456820360.

The previous prime is 20738707507381. The next prime is 20738707507403. The reversal of 20738707507386 is 68370570783702.

20738707507386 is a `hidden beast` number, since 20 + 7 + 3 + 8 + 70 + 7 + 507 + 38 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (20738707507381) 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 11 ways as a sum of consecutive naturals, for example, 52370473306 + ... + 52370473701.

It is an arithmetic number, because the mean of its divisors is an integer number (2042448466656).

Almost surely, 2^{20738707507386} is an apocalyptic number.

20738707507386 is an abundant number, since it is smaller than the sum of its proper divisors (28280055692358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20738707507386 is a wasteful number, since it uses less digits than its factorization.

20738707507386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104740947026 (or 104740947023 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 63.

The spelling of 20738707507386 in words is "twenty trillion, seven hundred thirty-eight billion, seven hundred seven million, five hundred seven thousand, three hundred eighty-six".