20133113233232 has 10 divisors (see below), whose sum is σ = 39007906889418. Its totient is φ = 10066556616608.

The previous prime is 20133113233231. The next prime is 20133113233243. The reversal of 20133113233232 is 23233231133102.

It can be written as a sum of positive squares in only one way, i.e., 20124411328576 + 8701904656 = 4486024^2 + 93284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20133113233195 and 20133113233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133113233231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629159788523 + ... + 629159788554.

Almost surely, 2^{20133113233232} is an apocalyptic number.

It is an amenable number.

20133113233232 is a deficient number, since it is larger than the sum of its proper divisors (18874793656186).

20133113233232 is a wasteful number, since it uses less digits than its factorization.

20133113233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258319577085 (or 1258319577079 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 20133113233232 its reverse (23233231133102), we get a palindrome (43366344366334).

The spelling of 20133113233232 in words is "twenty trillion, one hundred thirty-three billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-two".