20314005505 has 4 divisors (see below), whose sum is σ = 24376806612. Its totient is φ = 16251204400.

The previous prime is 20314005457. The next prime is 20314005539. The reversal of 20314005505 is 50550041302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50550041302 = 2 ⋅25275020651.

It can be written as a sum of positive squares in 2 ways, for example, as 4714744896 + 15599260609 = 68664^2 + 124897^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20314005505 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20314005505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031400546 + ... + 2031400555.

It is an arithmetic number, because the mean of its divisors is an integer number (6094201653).

Almost surely, 2^20314005505 is an apocalyptic number.

It is an amenable number.

20314005505 is a deficient number, since it is larger than the sum of its proper divisors (4062801107).

20314005505 is an equidigital number, since it uses as much as digits as its factorization.

20314005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062801106.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 20314005505 its reverse (50550041302), we get a palindrome (70864046807).

The spelling of 20314005505 in words is "twenty billion, three hundred fourteen million, five thousand, five hundred five".