20133400430 has 128 divisors (see below), whose sum is σ = 44513280000. Its totient is φ = 6456153600.

The previous prime is 20133400393. The next prime is 20133400453. The reversal of 20133400430 is 3400433102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3499196 + ... + 3504944.

It is an arithmetic number, because the mean of its divisors is an integer number (347760000).

Almost surely, 2^20133400430 is an apocalyptic number.

20133400430 is an abundant number, since it is smaller than the sum of its proper divisors (24379879570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20133400430 is a wasteful number, since it uses less digits than its factorization.

20133400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20133400430 its reverse (3400433102), we get a palindrome (23533833532).

The spelling of 20133400430 in words is "twenty billion, one hundred thirty-three million, four hundred thousand, four hundred thirty".