20442674248 has 8 divisors (see below), whose sum is σ = 38330014230. Its totient is φ = 10221337120.

The previous prime is 20442674179. The next prime is 20442674257. The reversal of 20442674248 is 84247624402.

It can be written as a sum of positive squares in only one way, i.e., 16292480164 + 4150194084 = 127642^2 + 64422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277667133 + ... + 1277667148.

Almost surely, 2^20442674248 is an apocalyptic number.

It is an amenable number.

20442674248 is a deficient number, since it is larger than the sum of its proper divisors (17887339982).

20442674248 is a wasteful number, since it uses less digits than its factorization.

20442674248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555334287 (or 2555334283 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 43.

The spelling of 20442674248 in words is "twenty billion, four hundred forty-two million, six hundred seventy-four thousand, two hundred forty-eight".