20343755495 has 16 divisors (see below), whose sum is σ = 27903605760. Its totient is φ = 13948204704.

The previous prime is 20343755491. The next prime is 20343755503. The reversal of 20343755495 is 59455734302.

It is not a de Polignac number, because 20343755495 - 2² = 20343755491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343755491) 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, 274316 + ... + 340494.

It is an arithmetic number, because the mean of its divisors is an integer number (1743975360).

Almost surely, 2^20343755495 is an apocalyptic number.

20343755495 is a deficient number, since it is larger than the sum of its proper divisors (7559850265).

20343755495 is an equidigital number, since it uses as much as digits as its factorization.

20343755495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74974.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 20343755495 in words is "twenty billion, three hundred forty-three million, seven hundred fifty-five thousand, four hundred ninety-five".