20074771265 has 8 divisors (see below), whose sum is σ = 24090992808. Its totient is φ = 16058972160.

The previous prime is 20074771253. The next prime is 20074771273. The reversal of 20074771265 is 56217747002.

It can be written as a sum of positive squares in 4 ways, for example, as 1174295824 + 18900475441 = 34268^2 + 137479^2 .

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

It is not a de Polignac number, because 20074771265 - 2⁶ = 20074771201 is a prime.

It is a Duffinian number.

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, 10559 + ... + 200651.

It is an arithmetic number, because the mean of its divisors is an integer number (3011374101).

Almost surely, 2^20074771265 is an apocalyptic number.

It is an amenable number.

20074771265 is a deficient number, since it is larger than the sum of its proper divisors (4016221543).

20074771265 is a wasteful number, since it uses less digits than its factorization.

20074771265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211219.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 20074771265 in words is "twenty billion, seventy-four million, seven hundred seventy-one thousand, two hundred sixty-five".