20155340141435 has 16 divisors (see below), whose sum is σ = 26337286576800. Its totient is φ = 14748880478976.

The previous prime is 20155340141401. The next prime is 20155340141471. The reversal of 20155340141435 is 53414104355102.

It is a cyclic number.

It is not a de Polignac number, because 20155340141435 - 2³⁸ = 19880462234491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657953714 + ... + 3657959223.

It is an arithmetic number, because the mean of its divisors is an integer number (1646080411050).

Almost surely, 2^{20155340141435} is an apocalyptic number.

20155340141435 is a deficient number, since it is larger than the sum of its proper divisors (6181946435365).

20155340141435 is a wasteful number, since it uses less digits than its factorization.

20155340141435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315912990.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 20155340141435 its reverse (53414104355102), we get a palindrome (73569444496537).

The spelling of 20155340141435 in words is "twenty trillion, one hundred fifty-five billion, three hundred forty million, one hundred forty-one thousand, four hundred thirty-five".