20554040335 has 8 divisors (see below), whose sum is σ = 25082897040. Its totient is φ = 16164533184.

The previous prime is 20554040263. The next prime is 20554040359. The reversal of 20554040335 is 53304045502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20554040335 - 2⁷ = 20554040207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20554040297 and 20554040306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34837062 + ... + 34837651.

It is an arithmetic number, because the mean of its divisors is an integer number (3135362130).

Almost surely, 2^20554040335 is an apocalyptic number.

20554040335 is a deficient number, since it is larger than the sum of its proper divisors (4528856705).

20554040335 is an equidigital number, since it uses as much as digits as its factorization.

20554040335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69674777.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20554040335 its reverse (53304045502), we get a palindrome (73858085837).

The spelling of 20554040335 in words is "twenty billion, five hundred fifty-four million, forty thousand, three hundred thirty-five".