20455363424112 has 20 divisors (see below), whose sum is σ = 52843022179080. Its totient is φ = 6818454474688.

The previous prime is 20455363424081. The next prime is 20455363424113. The reversal of 20455363424112 is 21142436355402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20455363424113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213076702287 + ... + 213076702382.

It is an arithmetic number, because the mean of its divisors is an integer number (2642151108954).

Almost surely, 2^{20455363424112} is an apocalyptic number.

It is an amenable number.

20455363424112 is an abundant number, since it is smaller than the sum of its proper divisors (32387658754968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20455363424112 is a wasteful number, since it uses less digits than its factorization.

20455363424112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426153404680 (or 426153404674 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 20455363424112 its reverse (21142436355402), we get a palindrome (41597799779514).

The spelling of 20455363424112 in words is "twenty trillion, four hundred fifty-five billion, three hundred sixty-three million, four hundred twenty-four thousand, one hundred twelve".