20533254255 has 48 divisors (see below), whose sum is σ = 37366557696. Its totient is φ = 10410586560.

The previous prime is 20533254251. The next prime is 20533254283. The reversal of 20533254255 is 55245233502.

20533254255 is a `hidden beast` number, since 20 + 5 + 332 + 54 + 255 = 666.

It is not a de Polignac number, because 20533254255 - 2² = 20533254251 is a prime.

It is a super-2 number, since 2×20533254255² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533254251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107850 + ... + 229560.

It is an arithmetic number, because the mean of its divisors is an integer number (778469952).

Almost surely, 2^20533254255 is an apocalyptic number.

20533254255 is a deficient number, since it is larger than the sum of its proper divisors (16833303441).

20533254255 is a wasteful number, since it uses less digits than its factorization.

20533254255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121908 (or 121905 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 20533254255 its reverse (55245233502), we get a palindrome (75778487757).

The spelling of 20533254255 in words is "twenty billion, five hundred thirty-three million, two hundred fifty-four thousand, two hundred fifty-five".