20335055450 has 12 divisors (see below), whose sum is σ = 37823203230. Its totient is φ = 8134022160.

The previous prime is 20335055339. The next prime is 20335055453. The reversal of 20335055450 is 5455053302.

It can be written as a sum of positive squares in 3 ways, for example, as 19364670649 + 970384801 = 139157^2 + 31151^2 .

It is not an unprimeable number, because it can be changed into a prime (20335055453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203350505 + ... + 203350604.

Almost surely, 2^20335055450 is an apocalyptic number.

20335055450 is a deficient number, since it is larger than the sum of its proper divisors (17488147780).

20335055450 is a wasteful number, since it uses less digits than its factorization.

20335055450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406701121 (or 406701116 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 20335055450 in words is "twenty billion, three hundred thirty-five million, fifty-five thousand, four hundred fifty".