20146300553 has 32 divisors (see below), whose sum is σ = 21998026752. Its totient is φ = 18394516800.

The previous prime is 20146300513. The next prime is 20146300583. The reversal of 20146300553 is 35500364102.

It is not a de Polignac number, because 20146300553 - 2⁸ = 20146300297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146300513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29154938 + ... + 29155628.

It is an arithmetic number, because the mean of its divisors is an integer number (687438336).

Almost surely, 2^20146300553 is an apocalyptic number.

20146300553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20146300553 is a deficient number, since it is larger than the sum of its proper divisors (1851726199).

20146300553 is a wasteful number, since it uses less digits than its factorization.

20146300553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 20146300553 its reverse (35500364102), we get a palindrome (55646664655).

The spelling of 20146300553 in words is "twenty billion, one hundred forty-six million, three hundred thousand, five hundred fifty-three".