20263827028 has 24 divisors (see below), whose sum is σ = 37466906400. Its totient is φ = 9562962528.

The previous prime is 20263827019. The next prime is 20263827029. The reversal of 20263827028 is 82072836202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20263827029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475150 + ... + 516037.

It is an arithmetic number, because the mean of its divisors is an integer number (1561121100).

Almost surely, 2^20263827028 is an apocalyptic number.

It is an amenable number.

20263827028 is a deficient number, since it is larger than the sum of its proper divisors (17203079372).

20263827028 is a wasteful number, since it uses less digits than its factorization.

20263827028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991479 (or 991477 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 20263827028 in words is "twenty billion, two hundred sixty-three million, eight hundred twenty-seven thousand, twenty-eight".