20364026043 has 32 divisors (see below), whose sum is σ = 28088262400. Its totient is φ = 13115281536.

The previous prime is 20364026041. The next prime is 20364026047. The reversal of 20364026043 is 34062046302.

It is a happy number.

It is not a de Polignac number, because 20364026043 - 2¹ = 20364026041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20364026043.

It is not an unprimeable number, because it can be changed into a prime (20364026041) 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 31 ways as a sum of consecutive naturals, for example, 11655696 + ... + 11657442.

It is an arithmetic number, because the mean of its divisors is an integer number (877758200).

Almost surely, 2^20364026043 is an apocalyptic number.

20364026043 is a deficient number, since it is larger than the sum of its proper divisors (7724236357).

20364026043 is a wasteful number, since it uses less digits than its factorization.

20364026043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 20364026043 in words is "twenty billion, three hundred sixty-four million, twenty-six thousand, forty-three".