20374653785674 has 16 divisors (see below), whose sum is σ = 32191221142080. Its totient is φ = 9644937243840.

The previous prime is 20374653785671. The next prime is 20374653785687. The reversal of 20374653785674 is 47658735647302.

It is not an unprimeable number, because it can be changed into a prime (20374653785671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 172566582 + ... + 172684609.

It is an arithmetic number, because the mean of its divisors is an integer number (2011951321380).

Almost surely, 2^{20374653785674} is an apocalyptic number.

20374653785674 is a deficient number, since it is larger than the sum of its proper divisors (11816567356406).

20374653785674 is a wasteful number, since it uses less digits than its factorization.

20374653785674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345252765.

The product of its (nonzero) digits is 711244800, while the sum is 67.

The spelling of 20374653785674 in words is "twenty trillion, three hundred seventy-four billion, six hundred fifty-three million, seven hundred eighty-five thousand, six hundred seventy-four".