20434544120315 has 32 divisors (see below), whose sum is σ = 26534540644416. Its totient is φ = 15017664130560.

The previous prime is 20434544120293. The next prime is 20434544120351. The reversal of 20434544120315 is 51302144543402.

It is a de Polignac number, because none of the positive numbers 2^k-20434544120315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278830457 + ... + 278903733.

It is an arithmetic number, because the mean of its divisors is an integer number (829204395138).

Almost surely, 2^{20434544120315} is an apocalyptic number.

20434544120315 is a deficient number, since it is larger than the sum of its proper divisors (6099996524101).

20434544120315 is a wasteful number, since it uses less digits than its factorization.

20434544120315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93839.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 20434544120315 its reverse (51302144543402), we get a palindrome (71736688663717).

The spelling of 20434544120315 in words is "twenty trillion, four hundred thirty-four billion, five hundred forty-four million, one hundred twenty thousand, three hundred fifteen".