20887050456043 has 4 divisors (see below), whose sum is σ = 20887078673608. Its totient is φ = 20887022238480.

The previous prime is 20887050456023. The next prime is 20887050456061. The reversal of 20887050456043 is 34065405078802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20887050456043 - 2⁵ = 20887050456011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20887050456023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12967698 + ... + 14489143.

It is an arithmetic number, because the mean of its divisors is an integer number (5221769668402).

Almost surely, 2^{20887050456043} is an apocalyptic number.

20887050456043 is a deficient number, since it is larger than the sum of its proper divisors (28217565).

20887050456043 is an equidigital number, since it uses as much as digits as its factorization.

20887050456043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28217564.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 20887050456043 in words is "twenty trillion, eight hundred eighty-seven billion, fifty million, four hundred fifty-six thousand, forty-three".