20133433652 has 24 divisors (see below), whose sum is σ = 35384888616. Its totient is φ = 10023516288.

The previous prime is 20133433651. The next prime is 20133433699. The reversal of 20133433652 is 25633433102.

It can be written as a sum of positive squares in 4 ways, for example, as 180741136 + 19952692516 = 13444^2 + 141254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133433651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870478 + ... + 1881210.

It is an arithmetic number, because the mean of its divisors is an integer number (1474370359).

Almost surely, 2^20133433652 is an apocalyptic number.

It is an amenable number.

20133433652 is a deficient number, since it is larger than the sum of its proper divisors (15251454964).

20133433652 is a wasteful number, since it uses less digits than its factorization.

20133433652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12707 (or 12705 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 20133433652 its reverse (25633433102), we get a palindrome (45766866754).

The spelling of 20133433652 in words is "twenty billion, one hundred thirty-three million, four hundred thirty-three thousand, six hundred fifty-two".