20044450234 has 4 divisors (see below), whose sum is σ = 30066675354. Its totient is φ = 10022225116.

The previous prime is 20044450229. The next prime is 20044450241. The reversal of 20044450234 is 43205444002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17325140625 + 2719309609 = 131625^2 + 52147^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011112557 + ... + 5011112560.

Almost surely, 2^20044450234 is an apocalyptic number.

20044450234 is a deficient number, since it is larger than the sum of its proper divisors (10022225120).

20044450234 is a wasteful number, since it uses less digits than its factorization.

20044450234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022225119.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 20044450234 its reverse (43205444002), we get a palindrome (63249894236).

The spelling of 20044450234 in words is "twenty billion, forty-four million, four hundred fifty thousand, two hundred thirty-four".