20442424402 has 8 divisors (see below), whose sum is σ = 30944954700. Its totient is φ = 10127439504.

The previous prime is 20442424399. The next prime is 20442424421.

20442424402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 16039969201 + 4402455201 = 126649^2 + 66351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46886077 + ... + 46886512.

Almost surely, 2^20442424402 is an apocalyptic number.

20442424402 is a deficient number, since it is larger than the sum of its proper divisors (10502530298).

20442424402 is a wasteful number, since it uses less digits than its factorization.

20442424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93772700.

The product of its (nonzero) digits is 16384, while the sum is 28.

It can be divided in two parts, 204424 and 24402, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 20442424402 in words is "twenty billion, four hundred forty-two million, four hundred twenty-four thousand, four hundred two".