20333630255 has 16 divisors (see below), whose sum is σ = 24688528704. Its totient is φ = 16075918080.

The previous prime is 20333630243. The next prime is 20333630279. The reversal of 20333630255 is 55203633302.

It is a happy number.

It is not a de Polignac number, because 20333630255 - 2⁸ = 20333629999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 74075 + ... + 214835.

It is an arithmetic number, because the mean of its divisors is an integer number (1543033044).

Almost surely, 2^20333630255 is an apocalyptic number.

20333630255 is a deficient number, since it is larger than the sum of its proper divisors (4354898449).

20333630255 is a wasteful number, since it uses less digits than its factorization.

20333630255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141106.

The product of its (nonzero) digits is 48600, while the sum is 32.

The spelling of 20333630255 in words is "twenty billion, three hundred thirty-three million, six hundred thirty thousand, two hundred fifty-five".