20342500345 has 8 divisors (see below), whose sum is σ = 25006390920. Its totient is φ = 15877073280.

The previous prime is 20342500327. The next prime is 20342500361. The reversal of 20342500345 is 54300524302.

It can be written as a sum of positive squares in 4 ways, for example, as 1282212864 + 19060287481 = 35808^2 + 138059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20342500345 - 2⁵ = 20342500313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49615650 + ... + 49616059.

It is an arithmetic number, because the mean of its divisors is an integer number (3125798865).

Almost surely, 2^20342500345 is an apocalyptic number.

It is an amenable number.

20342500345 is a deficient number, since it is larger than the sum of its proper divisors (4663890575).

20342500345 is an equidigital number, since it uses as much as digits as its factorization.

20342500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99231755.

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 20342500345 in words is "twenty billion, three hundred forty-two million, five hundred thousand, three hundred forty-five".