20001101433 has 16 divisors (see below), whose sum is σ = 27509586240. Its totient is φ = 12916518336.

The previous prime is 20001101429. The next prime is 20001101441. The reversal of 20001101433 is 33410110002.

It is not a de Polignac number, because 20001101433 - 2² = 20001101429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001101423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371698 + ... + 422091.

It is an arithmetic number, because the mean of its divisors is an integer number (1719349140).

Almost surely, 2^20001101433 is an apocalyptic number.

It is an amenable number.

20001101433 is a deficient number, since it is larger than the sum of its proper divisors (7508484807).

20001101433 is a wasteful number, since it uses less digits than its factorization.

20001101433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794056.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20001101433 its reverse (33410110002), we get a palindrome (53411211435).

The spelling of 20001101433 in words is "twenty billion, one million, one hundred one thousand, four hundred thirty-three".