20533141336 has 8 divisors (see below), whose sum is σ = 38499640020. Its totient is φ = 10266570664.

The previous prime is 20533141313. The next prime is 20533141337. The reversal of 20533141336 is 63314133502.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20533141298 and 20533141307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533141337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283321326 + ... + 1283321341.

Almost surely, 2^20533141336 is an apocalyptic number.

It is an amenable number.

20533141336 is a deficient number, since it is larger than the sum of its proper divisors (17966498684).

20533141336 is a wasteful number, since it uses less digits than its factorization.

20533141336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566642673 (or 2566642669 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 20533141336 its reverse (63314133502), we get a palindrome (83847274838).

The spelling of 20533141336 in words is "twenty billion, five hundred thirty-three million, one hundred forty-one thousand, three hundred thirty-six".