20402703572774 has 64 divisors (see below), whose sum is σ = 32092239298560. Its totient is φ = 9716329416960.

The previous prime is 20402703572773. The next prime is 20402703572803. The reversal of 20402703572774 is 47727530720402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402703572773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5143104539 + ... + 5143108505.

It is an arithmetic number, because the mean of its divisors is an integer number (501441239040).

Almost surely, 2^{20402703572774} is an apocalyptic number.

20402703572774 is a deficient number, since it is larger than the sum of its proper divisors (11689535725786).

20402703572774 is a wasteful number, since it uses less digits than its factorization.

20402703572774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205.

The product of its (nonzero) digits is 4609920, while the sum is 50.

The spelling of 20402703572774 in words is "twenty trillion, four hundred two billion, seven hundred three million, five hundred seventy-two thousand, seven hundred seventy-four".