20146300555 has 8 divisors (see below), whose sum is σ = 24178133232. Its totient is φ = 16115325408.

The previous prime is 20146300513. The next prime is 20146300583. The reversal of 20146300555 is 55500364102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20146300555 - 2⁹ = 20146300043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161509 + ... + 257638.

It is an arithmetic number, because the mean of its divisors is an integer number (3022266654).

Almost surely, 2^20146300555 is an apocalyptic number.

20146300555 is a deficient number, since it is larger than the sum of its proper divisors (4031832677).

20146300555 is an equidigital number, since it uses as much as digits as its factorization.

20146300555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428765.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 20146300555 its reverse (55500364102), we get a palindrome (75646664657).

The spelling of 20146300555 in words is "twenty billion, one hundred forty-six million, three hundred thousand, five hundred fifty-five".