20003425351777 has 8 divisors (see below), whose sum is σ = 22895643113792. Its totient is φ = 17119853982000.

The previous prime is 20003425351769. The next prime is 20003425351783. The reversal of 20003425351777 is 77715352430002.

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

It is not a de Polignac number, because 20003425351777 - 2³ = 20003425351769 is a prime.

It is a super-3 number, since 3×20003425351777³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003425351717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161593099 + ... + 2161602352.

It is an arithmetic number, because the mean of its divisors is an integer number (2861955389224).

Almost surely, 2^{20003425351777} is an apocalyptic number.

It is an amenable number.

20003425351777 is a deficient number, since it is larger than the sum of its proper divisors (2892217762015).

20003425351777 is an equidigital number, since it uses as much as digits as its factorization.

20003425351777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323196119.

The product of its (nonzero) digits is 1234800, while the sum is 46.

Adding to 20003425351777 its reverse (77715352430002), we get a palindrome (97718777781779).

The spelling of 20003425351777 in words is "twenty trillion, three billion, four hundred twenty-five million, three hundred fifty-one thousand, seven hundred seventy-seven".