20250247293289 has 6 divisors (see below), whose sum is σ = 21927782572206. Its totient is φ = 18692535962880.

The previous prime is 20250247293173. The next prime is 20250247293371. The reversal of 20250247293289 is 98239274205202.

It can be written as a sum of positive squares in 3 ways, for example, as 2101514115600 + 18148733177689 = 1449660^2 + 4260133^2 .

It is not a de Polignac number, because 20250247293289 - 2¹³ = 20250247285097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20250247293389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59911974072 + ... + 59911974409.

It is an arithmetic number, because the mean of its divisors is an integer number (3654630428701).

Almost surely, 2^{20250247293289} is an apocalyptic number.

It is an amenable number.

20250247293289 is a deficient number, since it is larger than the sum of its proper divisors (1677535278917).

20250247293289 is a wasteful number, since it uses less digits than its factorization.

20250247293289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119823948507 (or 119823948494 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 20250247293289 in words is "twenty trillion, two hundred fifty billion, two hundred forty-seven million, two hundred ninety-three thousand, two hundred eighty-nine".