20310454551042 has 24 divisors (see below), whose sum is σ = 45635836152816. Its totient is φ = 6770151516852.

The previous prime is 20310454551041. The next prime is 20310454551053. The reversal of 20310454551042 is 24015545401302.

20310454551042 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 4 + 545 + 5 + 104 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20310454550988 and 20310454551006.

It is not an unprimeable number, because it can be changed into a prime (20310454551041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20895528888 + ... + 20895529859.

It is an arithmetic number, because the mean of its divisors is an integer number (1901493173034).

Almost surely, 2^{20310454551042} is an apocalyptic number.

20310454551042 is an abundant number, since it is smaller than the sum of its proper divisors (25325381601774).

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

20310454551042 is an equidigital number, since it uses as much as digits as its factorization.

20310454551042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41791058764 (or 41791058752 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 20310454551042 its reverse (24015545401302), we get a palindrome (44325999952344).

The spelling of 20310454551042 in words is "twenty trillion, three hundred ten billion, four hundred fifty-four million, five hundred fifty-one thousand, forty-two".