20135741402563 has 16 divisors (see below), whose sum is σ = 20349055628352. Its totient is φ = 19922705920000.

The previous prime is 20135741402549. The next prime is 20135741402599. The reversal of 20135741402563 is 36520414753102.

It is a cyclic number.

It is not a de Polignac number, because 20135741402563 - 2⁵ = 20135741402531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20135741402503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029793395 + ... + 1029812947.

It is an arithmetic number, because the mean of its divisors is an integer number (1271815976772).

Almost surely, 2^{20135741402563} is an apocalyptic number.

20135741402563 is a deficient number, since it is larger than the sum of its proper divisors (213314225789).

20135741402563 is a wasteful number, since it uses less digits than its factorization.

20135741402563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26126.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 20135741402563 in words is "twenty trillion, one hundred thirty-five billion, seven hundred forty-one million, four hundred two thousand, five hundred sixty-three".