20146300554 has 16 divisors (see below), whose sum is σ = 40341332448. Its totient is φ = 6707311632.

The previous prime is 20146300513. The next prime is 20146300583. The reversal of 20146300554 is 45500364102.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2025097 + ... + 2035020.

It is an arithmetic number, because the mean of its divisors is an integer number (2521333278).

Almost surely, 2^20146300554 is an apocalyptic number.

20146300554 is an abundant number, since it is smaller than the sum of its proper divisors (20195031894).

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

20146300554 is a wasteful number, since it uses less digits than its factorization.

20146300554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060949.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20146300554 its reverse (45500364102), we get a palindrome (65646664656).

The spelling of 20146300554 in words is "twenty billion, one hundred forty-six million, three hundred thousand, five hundred fifty-four".