20345014150345 has 4 divisors (see below), whose sum is σ = 24414016980420. Its totient is φ = 16276011320272.

The previous prime is 20345014150343. The next prime is 20345014150393. The reversal of 20345014150345 is 54305141054302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6201374945536 + 14143639204809 = 2490256^2 + 3760803^2 .

It is a cyclic number.

It is not a de Polignac number, because 20345014150345 - 2¹ = 20345014150343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20345014150343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034501415030 + ... + 2034501415039.

It is an arithmetic number, because the mean of its divisors is an integer number (6103504245105).

Almost surely, 2^{20345014150345} is an apocalyptic number.

It is an amenable number.

20345014150345 is a deficient number, since it is larger than the sum of its proper divisors (4069002830075).

20345014150345 is an equidigital number, since it uses as much as digits as its factorization.

20345014150345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069002830074.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 20345014150345 in words is "twenty trillion, three hundred forty-five billion, fourteen million, one hundred fifty thousand, three hundred forty-five".