20133401445 has 64 divisors (see below), whose sum is σ = 37098336000. Its totient is φ = 10351473408.

The previous prime is 20133401441. The next prime is 20133401459. The reversal of 20133401445 is 54410433102.

It is a happy number.

It is not a de Polignac number, because 20133401445 - 2² = 20133401441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133401441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 525966 + ... + 562944.

It is an arithmetic number, because the mean of its divisors is an integer number (579661500).

Almost surely, 2^20133401445 is an apocalyptic number.

It is an amenable number.

20133401445 is a deficient number, since it is larger than the sum of its proper divisors (16964934555).

20133401445 is a wasteful number, since it uses less digits than its factorization.

20133401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37139 (or 37133 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20133401445 its reverse (54410433102), we get a palindrome (74543834547).

The spelling of 20133401445 in words is "twenty billion, one hundred thirty-three million, four hundred one thousand, four hundred forty-five".