20377234265 has 4 divisors (see below), whose sum is σ = 24452681124. Its totient is φ = 16301787408.

The previous prime is 20377234249. The next prime is 20377234277. The reversal of 20377234265 is 56243277302.

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 15559069696 + 4818164569 = 124736^2 + 69413^2 .

It is a cyclic number.

It is not a de Polignac number, because 20377234265 - 2⁴ = 20377234249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037723422 + ... + 2037723431.

It is an arithmetic number, because the mean of its divisors is an integer number (6113170281).

Almost surely, 2^20377234265 is an apocalyptic number.

It is an amenable number.

20377234265 is a deficient number, since it is larger than the sum of its proper divisors (4075446859).

20377234265 is an equidigital number, since it uses as much as digits as its factorization.

20377234265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075446858.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 20377234265 in words is "twenty billion, three hundred seventy-seven million, two hundred thirty-four thousand, two hundred sixty-five".