20802697527 has 12 divisors (see below), whose sum is σ = 27852731880. Its totient is φ = 13810803840.

The previous prime is 20802697439. The next prime is 20802697537. The reversal of 20802697527 is 72579620802.

It is not a de Polignac number, because 20802697527 - 2¹⁰ = 20802696503 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20802697537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114549 + ... + 233937.

It is an arithmetic number, because the mean of its divisors is an integer number (2321060990).

Almost surely, 2^20802697527 is an apocalyptic number.

20802697527 is a deficient number, since it is larger than the sum of its proper divisors (7050034353).

20802697527 is an equidigital number, since it uses as much as digits as its factorization.

20802697527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119874 (or 119633 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 20802697527 in words is "twenty billion, eight hundred two million, six hundred ninety-seven thousand, five hundred twenty-seven".