20133031430 has 8 divisors (see below), whose sum is σ = 36239456592. Its totient is φ = 8053212568.

The previous prime is 20133031417. The next prime is 20133031483. The reversal of 20133031430 is 3413033102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20133031430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006651562 + ... + 1006651581.

It is an arithmetic number, because the mean of its divisors is an integer number (4529932074).

Almost surely, 2^20133031430 is an apocalyptic number.

20133031430 is a deficient number, since it is larger than the sum of its proper divisors (16106425162).

20133031430 is a wasteful number, since it uses less digits than its factorization.

20133031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013303150.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20133031430 its reverse (3413033102), we get a palindrome (23546064532).

The spelling of 20133031430 in words is "twenty billion, one hundred thirty-three million, thirty-one thousand, four hundred thirty".