20550302304132 has 24 divisors (see below), whose sum is σ = 48970933151616. Its totient is φ = 6704353943008.

The previous prime is 20550302304107. The next prime is 20550302304227. The reversal of 20550302304132 is 23140320305502.

It is a self number, because there is not a number n which added to its sum of digits gives 20550302304132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18218352543 + ... + 18218353670.

It is an arithmetic number, because the mean of its divisors is an integer number (2040455547984).

Almost surely, 2^{20550302304132} is an apocalyptic number.

It is an amenable number.

20550302304132 is an abundant number, since it is smaller than the sum of its proper divisors (28420630847484).

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

20550302304132 is a wasteful number, since it uses less digits than its factorization.

20550302304132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36436706267 (or 36436706265 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20550302304132 its reverse (23140320305502), we get a palindrome (43690622609634).

The spelling of 20550302304132 in words is "twenty trillion, five hundred fifty billion, three hundred two million, three hundred four thousand, one hundred thirty-two".