20224352025155 has 16 divisors (see below), whose sum is σ = 24957874936800. Its totient is φ = 15726542388480.

The previous prime is 20224352025131. The next prime is 20224352025181. The reversal of 20224352025155 is 55152025342202.

It is not a de Polignac number, because 20224352025155 - 2²⁴ = 20224335247939 is a prime.

It is a super-2 number, since 2×20224352025155² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385126136 + ... + 385178645.

It is an arithmetic number, because the mean of its divisors is an integer number (1559867183550).

Almost surely, 2^{20224352025155} is an apocalyptic number.

20224352025155 is a deficient number, since it is larger than the sum of its proper divisors (4733522911645).

20224352025155 is an equidigital number, since it uses as much as digits as its factorization.

20224352025155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770304934.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 20224352025155 its reverse (55152025342202), we get a palindrome (75376377367357).

The spelling of 20224352025155 in words is "twenty trillion, two hundred twenty-four billion, three hundred fifty-two million, twenty-five thousand, one hundred fifty-five".