20042735513635 has 16 divisors (see below), whose sum is σ = 24885398152800. Its totient is φ = 15478322985216.

The previous prime is 20042735513617. The next prime is 20042735513659. The reversal of 20042735513635 is 53631553724002.

It is a cyclic number.

It is not a de Polignac number, because 20042735513635 - 2¹¹ = 20042735511587 is a prime.

It is a super-2 number, since 2×20042735513635² (a number of 27 digits) contains 22 as substring.

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, 12464370 + ... + 13980199.

It is an arithmetic number, because the mean of its divisors is an integer number (1555337384550).

Almost surely, 2^{20042735513635} is an apocalyptic number.

20042735513635 is a deficient number, since it is larger than the sum of its proper divisors (4842662639165).

20042735513635 is a wasteful number, since it uses less digits than its factorization.

20042735513635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26449830.

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 20042735513635 in words is "twenty trillion, forty-two billion, seven hundred thirty-five million, five hundred thirteen thousand, six hundred thirty-five".