20435220050043 has 16 divisors (see below), whose sum is σ = 27654383093760. Its totient is φ = 13419779578656.

The previous prime is 20435220050023. The next prime is 20435220050093. The reversal of 20435220050043 is 34005002253402.

It is not a de Polignac number, because 20435220050043 - 2²² = 20435215855739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20435220050023) 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, 6128998 + ... + 8856356.

It is an arithmetic number, because the mean of its divisors is an integer number (1728398943360).

Almost surely, 2^{20435220050043} is an apocalyptic number.

20435220050043 is a deficient number, since it is larger than the sum of its proper divisors (7219163043717).

20435220050043 is a wasteful number, since it uses less digits than its factorization.

20435220050043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764706.

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 20435220050043 in words is "twenty trillion, four hundred thirty-five billion, two hundred twenty million, fifty thousand, forty-three".