20854468557202 has 32 divisors (see below), whose sum is σ = 35884406956032. Its totient is φ = 8904206589264.

The previous prime is 20854468557199. The next prime is 20854468557217. The reversal of 20854468557202 is 20275586445802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2986123 + ... + 7115185.

It is an arithmetic number, because the mean of its divisors is an integer number (1121387717376).

Almost surely, 2^{20854468557202} is an apocalyptic number.

20854468557202 is a deficient number, since it is larger than the sum of its proper divisors (15029938398830).

20854468557202 is a wasteful number, since it uses less digits than its factorization.

20854468557202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130422.

The product of its (nonzero) digits is 43008000, while the sum is 58.

The spelling of 20854468557202 in words is "twenty trillion, eight hundred fifty-four billion, four hundred sixty-eight million, five hundred fifty-seven thousand, two hundred two".