20442042410212 has 6 divisors (see below), whose sum is σ = 35773574217878. Its totient is φ = 10221021205104.

The previous prime is 20442042410197. The next prime is 20442042410299. The reversal of 20442042410212 is 21201424024402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12402413150436 + 8039629259776 = 3521706^2 + 2835424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555255301273 + ... + 2555255301280.

Almost surely, 2^{20442042410212} is an apocalyptic number.

It is an amenable number.

20442042410212 is a deficient number, since it is larger than the sum of its proper divisors (15331531807666).

20442042410212 is a wasteful number, since it uses less digits than its factorization.

20442042410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110510602557 (or 5110510602555 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20442042410212 its reverse (21201424024402), we get a palindrome (41643466434614).

The spelling of 20442042410212 in words is "twenty trillion, four hundred forty-two billion, forty-two million, four hundred ten thousand, two hundred twelve".