20153433033 has 12 divisors (see below), whose sum is σ = 30049563648. Its totient is φ = 13002214680.

The previous prime is 20153433017. The next prime is 20153433077. The reversal of 20153433033 is 33033435102.

It is a happy number.

20153433033 is a `hidden beast` number, since 2 + 0 + 15 + 343 + 303 + 3 = 666.

It is not a de Polignac number, because 20153433033 - 2⁴ = 20153433017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20153432988 and 20153433006.

It is not an unprimeable number, because it can be changed into a prime (20153433233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36116985 + ... + 36117542.

It is an arithmetic number, because the mean of its divisors is an integer number (2504130304).

Almost surely, 2^20153433033 is an apocalyptic number.

It is an amenable number.

20153433033 is a deficient number, since it is larger than the sum of its proper divisors (9896130615).

20153433033 is a wasteful number, since it uses less digits than its factorization.

20153433033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72234564 (or 72234561 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 20153433033 its reverse (33033435102), we get a palindrome (53186868135).

The spelling of 20153433033 in words is "twenty billion, one hundred fifty-three million, four hundred thirty-three thousand, thirty-three".