20005225715154 has 16 divisors (see below), whose sum is σ = 41750036275392. Its totient is φ = 6378477764208.

The previous prime is 20005225715053. The next prime is 20005225715171. The reversal of 20005225715154 is 45151752250002.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72482701729 + ... + 72482702004.

It is an arithmetic number, because the mean of its divisors is an integer number (2609377267212).

Almost surely, 2^{20005225715154} is an apocalyptic number.

20005225715154 is an abundant number, since it is smaller than the sum of its proper divisors (21744810560238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005225715154 is a wasteful number, since it uses less digits than its factorization.

20005225715154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144965403761.

The product of its (nonzero) digits is 140000, while the sum is 39.

Adding to 20005225715154 its reverse (45151752250002), we get a palindrome (65156977965156).

The spelling of 20005225715154 in words is "twenty trillion, five billion, two hundred twenty-five million, seven hundred fifteen thousand, one hundred fifty-four".