20605036236602 has 8 divisors (see below), whose sum is σ = 30907957273716. Its totient is φ = 10302383812032.

The previous prime is 20605036236601. The next prime is 20605036236637. The reversal of 20605036236602 is 20663263050602.

It can be written as a sum of positive squares in 2 ways, for example, as 20407074421561 + 197961815041 = 4517419^2 + 444929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20605036236602² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20605036236602.

It is not an unprimeable number, because it can be changed into a prime (20605036236601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66961253 + ... + 67268264.

Almost surely, 2^{20605036236602} is an apocalyptic number.

20605036236602 is a deficient number, since it is larger than the sum of its proper divisors (10302921037114).

20605036236602 is a wasteful number, since it uses less digits than its factorization.

20605036236602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134306272.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 20605036236602 in words is "twenty trillion, six hundred five billion, thirty-six million, two hundred thirty-six thousand, six hundred two".