20354256402316 has 6 divisors (see below), whose sum is σ = 35619948704060. Its totient is φ = 10177128201156.

The previous prime is 20354256402313. The next prime is 20354256402391. The reversal of 20354256402316 is 61320465245302.

It is not an unprimeable number, because it can be changed into a prime (20354256402313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2544282050286 + ... + 2544282050293.

Almost surely, 2^{20354256402316} is an apocalyptic number.

It is an amenable number.

20354256402316 is a deficient number, since it is larger than the sum of its proper divisors (15265692301744).

20354256402316 is a wasteful number, since it uses less digits than its factorization.

20354256402316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088564100583 (or 5088564100581 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20354256402316 in words is "twenty trillion, three hundred fifty-four billion, two hundred fifty-six million, four hundred two thousand, three hundred sixteen".