20324302203434 has 16 divisors (see below), whose sum is σ = 31025360809800. Its totient is φ = 9983969808384.

The previous prime is 20324302203431. The next prime is 20324302203437. The reversal of 20324302203434 is 43430220342302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20324302203431) and next prime (20324302203437).

It can be written as a sum of positive squares in 4 ways, for example, as 16531339515625 + 3792962687809 = 4065875^2 + 1947553^2 .

It is a super-3 number, since 3×20324302203434³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20324302203434.

It is not an unprimeable number, because it can be changed into a prime (20324302203431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363607319 + ... + 363663210.

Almost surely, 2^{20324302203434} is an apocalyptic number.

20324302203434 is a deficient number, since it is larger than the sum of its proper divisors (10701058606366).

20324302203434 is a wasteful number, since it uses less digits than its factorization.

20324302203434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727270777.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 20324302203434 its reverse (43430220342302), we get a palindrome (63754522545736).

The spelling of 20324302203434 in words is "twenty trillion, three hundred twenty-four billion, three hundred two million, two hundred three thousand, four hundred thirty-four".