20033535440245 has 8 divisors (see below), whose sum is σ = 24869216408760. Its totient is φ = 15474179098560.

The previous prime is 20033535440239. The next prime is 20033535440329. The reversal of 20033535440245 is 54204453533002.

It can be written as a sum of positive squares in 4 ways, for example, as 3178914268401 + 16854621171844 = 1782951^2 + 4105438^2 .

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

It is not a de Polignac number, because 20033535440245 - 2⁷ = 20033535440117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20033535440198 and 20033535440207.

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, 69081156546 + ... + 69081156835.

It is an arithmetic number, because the mean of its divisors is an integer number (3108652051095).

Almost surely, 2^{20033535440245} is an apocalyptic number.

It is an amenable number.

20033535440245 is a deficient number, since it is larger than the sum of its proper divisors (4835680968515).

20033535440245 is a wasteful number, since it uses less digits than its factorization.

20033535440245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138162313415.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 20033535440245 its reverse (54204453533002), we get a palindrome (74237988973247).

The spelling of 20033535440245 in words is "twenty trillion, thirty-three billion, five hundred thirty-five million, four hundred forty thousand, two hundred forty-five".