20655332052 has 48 divisors (see below), whose sum is σ = 48436420032. Its totient is φ = 6850782720.

The previous prime is 20655332051. The next prime is 20655332057. The reversal of 20655332052 is 25023355602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20655332051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4732023 + ... + 4736385.

It is an arithmetic number, because the mean of its divisors is an integer number (1009092084).

Almost surely, 2^20655332052 is an apocalyptic number.

It is an amenable number.

20655332052 is an abundant number, since it is smaller than the sum of its proper divisors (27781087980).

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

20655332052 is a wasteful number, since it uses less digits than its factorization.

20655332052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6246 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 20655332052 its reverse (25023355602), we get a palindrome (45678687654).

The spelling of 20655332052 in words is "twenty billion, six hundred fifty-five million, three hundred thirty-two thousand, fifty-two".