20133213100133 has 32 divisors (see below), whose sum is σ = 24487738829568. Its totient is φ = 16158827520000.

The previous prime is 20133213100129. The next prime is 20133213100141. The reversal of 20133213100133 is 33100131233102.

It is a cyclic number.

It is not a de Polignac number, because 20133213100133 - 2² = 20133213100129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20133213100099 and 20133213100108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133213100433) 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, 25932041 + ... + 26697137.

It is an arithmetic number, because the mean of its divisors is an integer number (765241838424).

Almost surely, 2^{20133213100133} is an apocalyptic number.

It is an amenable number.

20133213100133 is a deficient number, since it is larger than the sum of its proper divisors (4354525729435).

20133213100133 is a wasteful number, since it uses less digits than its factorization.

20133213100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766253.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20133213100133 its reverse (33100131233102), we get a palindrome (53233344333235).

The spelling of 20133213100133 in words is "twenty trillion, one hundred thirty-three billion, two hundred thirteen million, one hundred thousand, one hundred thirty-three".