20263005196 has 12 divisors (see below), whose sum is σ = 40526010448. Its totient is φ = 8684145072.

The previous prime is 20263005187. The next prime is 20263005239. The reversal of 20263005196 is 69150036202.

20263005196 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361839351 + ... + 361839406.

Almost surely, 2^20263005196 is an apocalyptic number.

It is an amenable number.

20263005196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20263005196 is a wasteful number, since it uses less digits than its factorization.

20263005196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723678768 (or 723678766 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20263005196 in words is "twenty billion, two hundred sixty-three million, five thousand, one hundred ninety-six".