20352435445 has 8 divisors (see below), whose sum is σ = 25859565144. Its totient is φ = 15324186624.

The previous prime is 20352435443. The next prime is 20352435473. The reversal of 20352435445 is 54453425302.

It can be written as a sum of positive squares in 4 ways, for example, as 6751744561 + 13600690884 = 82169^2 + 116622^2 .

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 20352435445 - 2¹ = 20352435443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352435443) 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, 119720124 + ... + 119720293.

It is an arithmetic number, because the mean of its divisors is an integer number (3232445643).

Almost surely, 2^20352435445 is an apocalyptic number.

It is an amenable number.

20352435445 is a deficient number, since it is larger than the sum of its proper divisors (5507129699).

20352435445 is a wasteful number, since it uses less digits than its factorization.

20352435445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239440439.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 20352435445 in words is "twenty billion, three hundred fifty-two million, four hundred thirty-five thousand, four hundred forty-five".