20373605206136 has 64 divisors (see below), whose sum is σ = 47023638782400. Its totient is φ = 8058580328448.

The previous prime is 20373605206117. The next prime is 20373605206189. The reversal of 20373605206136 is 63160250637302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227160 + ... + 6760728.

It is an arithmetic number, because the mean of its divisors is an integer number (734744355975).

Almost surely, 2^{20373605206136} is an apocalyptic number.

20373605206136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20373605206136 is an abundant number, since it is smaller than the sum of its proper divisors (26650033576264).

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

20373605206136 is a wasteful number, since it uses less digits than its factorization.

20373605206136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539768 (or 4539764 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 20373605206136 in words is "twenty trillion, three hundred seventy-three billion, six hundred five million, two hundred six thousand, one hundred thirty-six".