20533355054 has 32 divisors (see below), whose sum is σ = 32753203200. Its totient is φ = 9635915520.

The previous prime is 20533355039. The next prime is 20533355071. The reversal of 20533355054 is 45055333502.

It is a Curzon 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, 2740994 + ... + 2748474.

It is an arithmetic number, because the mean of its divisors is an integer number (1023537600).

Almost surely, 2^20533355054 is an apocalyptic number.

20533355054 is a deficient number, since it is larger than the sum of its proper divisors (12219848146).

20533355054 is a wasteful number, since it uses less digits than its factorization.

20533355054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828.

The product of its (nonzero) digits is 135000, while the sum is 35.

Adding to 20533355054 its reverse (45055333502), we get a palindrome (65588688556).

The spelling of 20533355054 in words is "twenty billion, five hundred thirty-three million, three hundred fifty-five thousand, fifty-four".