20535333245212 has 12 divisors (see below), whose sum is σ = 35936865132840. Its totient is φ = 10267657492976.

The previous prime is 20535333245201. The next prime is 20535333245213. The reversal of 20535333245212 is 21254233353502.

It is a super-2 number, since 2×20535333245212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535333245213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6751518 + ... + 9308794.

It is an arithmetic number, because the mean of its divisors is an integer number (2994738761070).

Almost surely, 2^{20535333245212} is an apocalyptic number.

It is an amenable number.

20535333245212 is a deficient number, since it is larger than the sum of its proper divisors (15401531887628).

20535333245212 is a wasteful number, since it uses less digits than its factorization.

20535333245212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564820 (or 4564818 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 20535333245212 its reverse (21254233353502), we get a palindrome (41789566598714).

The spelling of 20535333245212 in words is "twenty trillion, five hundred thirty-five billion, three hundred thirty-three million, two hundred forty-five thousand, two hundred twelve".