20435061417 has 4 divisors (see below), whose sum is σ = 27246748560. Its totient is φ = 13623374276.

The previous prime is 20435061389. The next prime is 20435061421. The reversal of 20435061417 is 71416053402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20435061417 - 2¹⁹ = 20434537129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20435061467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405843567 + ... + 3405843572.

It is an arithmetic number, because the mean of its divisors is an integer number (6811687140).

Almost surely, 2^20435061417 is an apocalyptic number.

It is an amenable number.

20435061417 is a deficient number, since it is larger than the sum of its proper divisors (6811687143).

20435061417 is an equidigital number, since it uses as much as digits as its factorization.

20435061417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811687142.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 20435061417 in words is "twenty billion, four hundred thirty-five million, sixty-one thousand, four hundred seventeen".