20533000255122 has 64 divisors (see below), whose sum is σ = 41504379264000. Its totient is φ = 6771443918400.

The previous prime is 20533000255093. The next prime is 20533000255151. The reversal of 20533000255122 is 22155200033502.

It is an interprime number because it is at equal distance from previous prime (20533000255093) and next prime (20533000255151).

It is a self number, because there is not a number n which added to its sum of digits gives 20533000255122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3312305379 + ... + 3312311577.

It is an arithmetic number, because the mean of its divisors is an integer number (648505926000).

Almost surely, 2^{20533000255122} is an apocalyptic number.

20533000255122 is an abundant number, since it is smaller than the sum of its proper divisors (20971379008878).

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

20533000255122 is a wasteful number, since it uses less digits than its factorization.

20533000255122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 20533000255122 its reverse (22155200033502), we get a palindrome (42688200288624).

The spelling of 20533000255122 in words is "twenty trillion, five hundred thirty-three billion, two hundred fifty-five thousand, one hundred twenty-two".