20455010022145 has 8 divisors (see below), whose sum is σ = 24771204798120. Its totient is φ = 16213879503360.

The previous prime is 20455010022121. The next prime is 20455010022179. The reversal of 20455010022145 is 54122001055402.

It can be written as a sum of positive squares in 4 ways, for example, as 800754732801 + 19654255289344 = 894849^2 + 4433312^2 .

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

It is not a de Polignac number, because 20455010022145 - 2²¹ = 20455007924993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18766063696 + ... + 18766064785.

It is an arithmetic number, because the mean of its divisors is an integer number (3096400599765).

Almost surely, 2^{20455010022145} is an apocalyptic number.

It is an amenable number.

20455010022145 is a deficient number, since it is larger than the sum of its proper divisors (4316194775975).

20455010022145 is a wasteful number, since it uses less digits than its factorization.

20455010022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37532128595.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 20455010022145 its reverse (54122001055402), we get a palindrome (74577011077547).

The spelling of 20455010022145 in words is "twenty trillion, four hundred fifty-five billion, ten million, twenty-two thousand, one hundred forty-five".