20310453612454 has 4 divisors (see below), whose sum is σ = 30465680418684. Its totient is φ = 10155226806226.

The previous prime is 20310453612451. The next prime is 20310453612503. The reversal of 20310453612454 is 45421635401302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310453612451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077613403112 + ... + 5077613403115.

It is an arithmetic number, because the mean of its divisors is an integer number (7616420104671).

Almost surely, 2^{20310453612454} is an apocalyptic number.

20310453612454 is a deficient number, since it is larger than the sum of its proper divisors (10155226806230).

20310453612454 is a wasteful number, since it uses less digits than its factorization.

20310453612454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155226806229.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 20310453612454 in words is "twenty trillion, three hundred ten billion, four hundred fifty-three million, six hundred twelve thousand, four hundred fifty-four".