20526304043 has 8 divisors (see below), whose sum is σ = 23504724960. Its totient is φ = 17559406080.

The previous prime is 20526304039. The next prime is 20526304061. The reversal of 20526304043 is 34040362502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20526304043 - 2² = 20526304039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20526303997 and 20526304015.

It is not an unprimeable number, because it can be changed into a prime (20526304013) 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, 2876918 + ... + 2884043.

It is an arithmetic number, because the mean of its divisors is an integer number (2938090620).

Almost surely, 2^20526304043 is an apocalyptic number.

20526304043 is a deficient number, since it is larger than the sum of its proper divisors (2978420917).

20526304043 is an equidigital number, since it uses as much as digits as its factorization.

20526304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761477.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20526304043 its reverse (34040362502), we get a palindrome (54566666545).

The spelling of 20526304043 in words is "twenty billion, five hundred twenty-six million, three hundred four thousand, forty-three".