20434302224 has 60 divisors (see below), whose sum is σ = 46511546508. Its totient is φ = 8670816000.

The previous prime is 20434302193. The next prime is 20434302253. The reversal of 20434302224 is 42220343402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19717776400 + 716525824 = 140420^2 + 26768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20434302193 and 20434302202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49847 + ... + 208214.

Almost surely, 2^20434302224 is an apocalyptic number.

It is an amenable number.

20434302224 is an abundant number, since it is smaller than the sum of its proper divisors (26077244284).

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

20434302224 is a wasteful number, since it uses less digits than its factorization.

20434302224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258184 (or 258171 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20434302224 its reverse (42220343402), we get a palindrome (62654645626).

The spelling of 20434302224 in words is "twenty billion, four hundred thirty-four million, three hundred two thousand, two hundred twenty-four".