20460421026043 has 4 divisors (see below), whose sum is σ = 20567543649408. Its totient is φ = 20353298402680.

The previous prime is 20460421026007. The next prime is 20460421026077. The reversal of 20460421026043 is 34062012406402.

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 20460421026043 - 2²¹ = 20460418928891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20460421020043) 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, 53561311396 + ... + 53561311777.

It is an arithmetic number, because the mean of its divisors is an integer number (5141885912352).

Almost surely, 2^{20460421026043} is an apocalyptic number.

20460421026043 is a deficient number, since it is larger than the sum of its proper divisors (107122623365).

20460421026043 is a wasteful number, since it uses less digits than its factorization.

20460421026043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107122623364.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 20460421026043 in words is "twenty trillion, four hundred sixty billion, four hundred twenty-one million, twenty-six thousand, forty-three".