20044251201 has 16 divisors (see below), whose sum is σ = 28788439680. Its totient is φ = 12331944960.

The previous prime is 20044251193. The next prime is 20044251289. The reversal of 20044251201 is 10215244002.

It is not a de Polignac number, because 20044251201 - 2³ = 20044251193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20044251401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107356 + ... + 227186.

It is an arithmetic number, because the mean of its divisors is an integer number (1799277480).

Almost surely, 2^20044251201 is an apocalyptic number.

It is an amenable number.

20044251201 is a deficient number, since it is larger than the sum of its proper divisors (8744188479).

20044251201 is a wasteful number, since it uses less digits than its factorization.

20044251201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124136.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20044251201 its reverse (10215244002), we get a palindrome (30259495203).

The spelling of 20044251201 in words is "twenty billion, forty-four million, two hundred fifty-one thousand, two hundred one".