10020144040205 has 8 divisors (see below), whose sum is σ = 12949109221272. Its totient is φ = 7399490983488.

The previous prime is 10020144040201. The next prime is 10020144040279. The reversal of 10020144040205 is 50204044102001.

It can be written as a sum of positive squares in 4 ways, for example, as 252387673924 + 9767756366281 = 502382^2 + 3125341^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10020144040205 - 2² = 10020144040201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020144040201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77078031014 + ... + 77078031143.

It is an arithmetic number, because the mean of its divisors is an integer number (1618638652659).

Almost surely, 2^{10020144040205} is an apocalyptic number.

It is an amenable number.

10020144040205 is a deficient number, since it is larger than the sum of its proper divisors (2928965181067).

10020144040205 is a wasteful number, since it uses less digits than its factorization.

10020144040205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154156062175.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 10020144040205 its reverse (50204044102001), we get a palindrome (60224188142206).

The spelling of 10020144040205 in words is "ten trillion, twenty billion, one hundred forty-four million, forty thousand, two hundred five".