20382943826 has 32 divisors (see below), whose sum is σ = 35079356928. Its totient is φ = 8701318080.

The previous prime is 20382943783. The next prime is 20382943829. The reversal of 20382943826 is 62834928302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20382943829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5329751 + ... + 5333573.

It is an arithmetic number, because the mean of its divisors is an integer number (1096229904).

Almost surely, 2^20382943826 is an apocalyptic number.

20382943826 is a deficient number, since it is larger than the sum of its proper divisors (14696413102).

20382943826 is a wasteful number, since it uses less digits than its factorization.

20382943826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 20382943826 in words is "twenty billion, three hundred eighty-two million, nine hundred forty-three thousand, eight hundred twenty-six".