20134430302 has 32 divisors (see below), whose sum is σ = 36350657280. Its totient is φ = 8170865280.

The previous prime is 20134430297. The next prime is 20134430311. The reversal of 20134430302 is 20303443102.

It is a happy number.

It is a super-2 number, since 2×20134430302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557313 + ... + 592339.

It is an arithmetic number, because the mean of its divisors is an integer number (1135958040).

Almost surely, 2^20134430302 is an apocalyptic number.

20134430302 is a deficient number, since it is larger than the sum of its proper divisors (16216226978).

20134430302 is a wasteful number, since it uses less digits than its factorization.

20134430302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37216.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20134430302 its reverse (20303443102), we get a palindrome (40437873404).

The spelling of 20134430302 in words is "twenty billion, one hundred thirty-four million, four hundred thirty thousand, three hundred two".