20442240100012 has 48 divisors (see below), whose sum is σ = 36881377012480. Its totient is φ = 9906878990592.

The previous prime is 20442240099997. The next prime is 20442240100033. The reversal of 20442240100012 is 21000104224402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48202789 + ... + 48625027.

Almost surely, 2^{20442240100012} is an apocalyptic number.

It is an amenable number.

20442240100012 is a deficient number, since it is larger than the sum of its proper divisors (16439136912468).

20442240100012 is a wasteful number, since it uses less digits than its factorization.

20442240100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423530 (or 423528 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20442240100012 its reverse (21000104224402), we get a palindrome (41442344324414).

The spelling of 20442240100012 in words is "twenty trillion, four hundred forty-two billion, two hundred forty million, one hundred thousand, twelve".