20396506262 has 32 divisors (see below), whose sum is σ = 36294544800. Its totient is φ = 8489940480.

The previous prime is 20396506261. The next prime is 20396506297. The reversal of 20396506262 is 26260569302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396506261) 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 15 ways as a sum of consecutive naturals, for example, 723137 + ... + 750812.

It is an arithmetic number, because the mean of its divisors is an integer number (1134204525).

Almost surely, 2^20396506262 is an apocalyptic number.

20396506262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20396506262 is a deficient number, since it is larger than the sum of its proper divisors (15898038538).

20396506262 is a wasteful number, since it uses less digits than its factorization.

20396506262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474016.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 20396506262 in words is "twenty billion, three hundred ninety-six million, five hundred six thousand, two hundred sixty-two".