20356635354045 has 32 divisors (see below), whose sum is σ = 32775437462400. Its totient is φ = 10788683234304.

The previous prime is 20356635354043. The next prime is 20356635354127. The reversal of 20356635354045 is 54045353665302.

It is not a de Polignac number, because 20356635354045 - 2¹ = 20356635354043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20356635354043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202241 + ... + 6492969.

It is an arithmetic number, because the mean of its divisors is an integer number (1024232420700).

Almost surely, 2^{20356635354045} is an apocalyptic number.

It is an amenable number.

20356635354045 is a deficient number, since it is larger than the sum of its proper divisors (12418802108355).

20356635354045 is a wasteful number, since it uses less digits than its factorization.

20356635354045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292349.

The product of its (nonzero) digits is 19440000, while the sum is 51.

The spelling of 20356635354045 in words is "twenty trillion, three hundred fifty-six billion, six hundred thirty-five million, three hundred fifty-four thousand, forty-five".