20044142001 has 12 divisors (see below), whose sum is σ = 31179776628. Its totient is φ = 12334856544.

The previous prime is 20044141969. The next prime is 20044142011. The reversal of 20044142001 is 10024144002.

20044142001 is a `hidden beast` number, since 20 + 0 + 441 + 4 + 200 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3027200400 + 17016941601 = 55020^2 + 130449^2 .

It is not a de Polignac number, because 20044142001 - 2⁵ = 20044141969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20044142011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85658610 + ... + 85658843.

It is an arithmetic number, because the mean of its divisors is an integer number (2598314719).

Almost surely, 2^20044142001 is an apocalyptic number.

It is an amenable number.

20044142001 is a deficient number, since it is larger than the sum of its proper divisors (11135634627).

20044142001 is a wasteful number, since it uses less digits than its factorization.

20044142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171317472 (or 171317469 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20044142001 its reverse (10024144002), we get a palindrome (30068286003).

The spelling of 20044142001 in words is "twenty billion, forty-four million, one hundred forty-two thousand, one".