20053746442 has 32 divisors (see below), whose sum is σ = 31297191120. Its totient is φ = 9625512960.

The previous prime is 20053746379. The next prime is 20053746451. The reversal of 20053746442 is 24464735002.

It can be written as a sum of positive squares in 8 ways, for example, as 6217164801 + 13836581641 = 78849^2 + 117629^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8227648 + ... + 8230084.

Almost surely, 2^20053746442 is an apocalyptic number.

20053746442 is a deficient number, since it is larger than the sum of its proper divisors (11243444678).

20053746442 is a wasteful number, since it uses less digits than its factorization.

20053746442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226.

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 20053746442 in words is "twenty billion, fifty-three million, seven hundred forty-six thousand, four hundred forty-two".