20535333245005 has 16 divisors (see below), whose sum is σ = 26084281003200. Its totient is φ = 15476673369600.

The previous prime is 20535333244957. The next prime is 20535333245041. The reversal of 20535333245005 is 50054233353502.

It is not a de Polignac number, because 20535333245005 - 2²⁹ = 20534796374093 is a prime.

It is a super-2 number, since 2×20535333245005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 603785796 + ... + 603819805.

It is an arithmetic number, because the mean of its divisors is an integer number (1630267562700).

Almost surely, 2^{20535333245005} is an apocalyptic number.

It is an amenable number.

20535333245005 is a deficient number, since it is larger than the sum of its proper divisors (5548947758195).

20535333245005 is a wasteful number, since it uses less digits than its factorization.

20535333245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207605804.

The product of its (nonzero) digits is 810000, while the sum is 40.

Adding to 20535333245005 its reverse (50054233353502), we get a palindrome (70589566598507).

The spelling of 20535333245005 in words is "twenty trillion, five hundred thirty-five billion, three hundred thirty-three million, two hundred forty-five thousand, five".