20349874265 has 8 divisors (see below), whose sum is σ = 27908399040. Its totient is φ = 13954199472.

The previous prime is 20349874249. The next prime is 20349874309. The reversal of 20349874265 is 56247894302.

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

It is a cyclic number.

It is not a de Polignac number, because 20349874265 - 2⁴ = 20349874249 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, 290712455 + ... + 290712524.

It is an arithmetic number, because the mean of its divisors is an integer number (3488549880).

Almost surely, 2^20349874265 is an apocalyptic number.

It is an amenable number.

20349874265 is a deficient number, since it is larger than the sum of its proper divisors (7558524775).

20349874265 is an equidigital number, since it uses as much as digits as its factorization.

20349874265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581424991.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 20349874265 in words is "twenty billion, three hundred forty-nine million, eight hundred seventy-four thousand, two hundred sixty-five".