20035405110355 has 16 divisors (see below), whose sum is σ = 24725696326560. Its totient is φ = 15574023021312.

The previous prime is 20035405110353. The next prime is 20035405110359. The reversal of 20035405110355 is 55301150453002.

It is a cyclic number.

It is not a de Polignac number, because 20035405110355 - 2¹ = 20035405110353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20035405110355.

It is not an unprimeable number, because it can be changed into a prime (20035405110353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73137634 + ... + 73411063.

It is an arithmetic number, because the mean of its divisors is an integer number (1545356020410).

Almost surely, 2^{20035405110355} is an apocalyptic number.

20035405110355 is a deficient number, since it is larger than the sum of its proper divisors (4690291216205).

20035405110355 is a wasteful number, since it uses less digits than its factorization.

20035405110355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146549478.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 20035405110355 its reverse (55301150453002), we get a palindrome (75336555563357).

The spelling of 20035405110355 in words is "twenty trillion, thirty-five billion, four hundred five million, one hundred ten thousand, three hundred fifty-five".