20044625121554 has 8 divisors (see below), whose sum is σ = 32800295653488. Its totient is φ = 9111193237060.

The previous prime is 20044625121551. The next prime is 20044625121589. The reversal of 20044625121554 is 45512152644002.

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

It is not an unprimeable number, because it can be changed into a prime (20044625121551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455559661832 + ... + 455559661875.

It is an arithmetic number, because the mean of its divisors is an integer number (4100036956686).

Almost surely, 2^{20044625121554} is an apocalyptic number.

20044625121554 is a deficient number, since it is larger than the sum of its proper divisors (12755670531934).

20044625121554 is a wasteful number, since it uses less digits than its factorization.

20044625121554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911119323720.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 20044625121554 its reverse (45512152644002), we get a palindrome (65556777765556).

The spelling of 20044625121554 in words is "twenty trillion, forty-four billion, six hundred twenty-five million, one hundred twenty-one thousand, five hundred fifty-four".