20290267071 has 8 divisors (see below), whose sum is σ = 30059654960. Its totient is φ = 13526844696.

The previous prime is 20290267007. The next prime is 20290267079. The reversal of 20290267071 is 17076209202.

It is not a de Polignac number, because 20290267071 - 2⁶ = 20290267007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20290267079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375745660 + ... + 375745713.

It is an arithmetic number, because the mean of its divisors is an integer number (3757456870).

Almost surely, 2^20290267071 is an apocalyptic number.

20290267071 is a deficient number, since it is larger than the sum of its proper divisors (9769387889).

20290267071 is an equidigital number, since it uses as much as digits as its factorization.

20290267071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751491382 (or 751491376 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 20290267071 in words is "twenty billion, two hundred ninety million, two hundred sixty-seven thousand, seventy-one".