20012443001315 has 16 divisors (see below), whose sum is σ = 24057256009248. Its totient is φ = 15981742235136.

The previous prime is 20012443001297. The next prime is 20012443001329. The reversal of 20012443001315 is 51310034421002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20012443001315 - 2¹⁴ = 20012442984931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39846137 + ... + 40345253.

It is an arithmetic number, because the mean of its divisors is an integer number (1503578500578).

Almost surely, 2^{20012443001315} is an apocalyptic number.

20012443001315 is a deficient number, since it is larger than the sum of its proper divisors (4044813007933).

20012443001315 is a wasteful number, since it uses less digits than its factorization.

20012443001315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513238.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20012443001315 its reverse (51310034421002), we get a palindrome (71322477422317).

The spelling of 20012443001315 in words is "twenty trillion, twelve billion, four hundred forty-three million, one thousand, three hundred fifteen".