20343774005375 has 32 divisors (see below), whose sum is σ = 26079358181760. Its totient is φ = 15832640736000.

The previous prime is 20343774005363. The next prime is 20343774005381. The reversal of 20343774005375 is 57350047734302.

It is not a de Polignac number, because 20343774005375 - 2¹⁸ = 20343773743231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29064515 + ... + 29756235.

It is an arithmetic number, because the mean of its divisors is an integer number (814979943180).

Almost surely, 2^{20343774005375} is an apocalyptic number.

20343774005375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20343774005375 is a deficient number, since it is larger than the sum of its proper divisors (5735584176385).

20343774005375 is an equidigital number, since it uses as much as digits as its factorization.

20343774005375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698132 (or 698122 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 50.

The spelling of 20343774005375 in words is "twenty trillion, three hundred forty-three billion, seven hundred seventy-four million, five thousand, three hundred seventy-five".