20315266041293 has 16 divisors (see below), whose sum is σ = 21035853009600. Its totient is φ = 19596025491840.

The previous prime is 20315266041289. The next prime is 20315266041299. The reversal of 20315266041293 is 39214066251302.

It is a happy number.

It is not a de Polignac number, because 20315266041293 - 2² = 20315266041289 is a prime.

It is a super-2 number, since 2×20315266041293² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315266041299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129019430 + ... + 129176792.

It is an arithmetic number, because the mean of its divisors is an integer number (1314740813100).

Almost surely, 2^{20315266041293} is an apocalyptic number.

It is an amenable number.

20315266041293 is a deficient number, since it is larger than the sum of its proper divisors (720586968307).

20315266041293 is a wasteful number, since it uses less digits than its factorization.

20315266041293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161612.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 20315266041293 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-six million, forty-one thousand, two hundred ninety-three".