20035305450 has 60 divisors (see below), whose sum is σ = 55668478470. Its totient is φ = 5342747040.

The previous prime is 20035305449. The next prime is 20035305469. The reversal of 20035305450 is 5450353002.

20035305450 is a `hidden beast` number, since 200 + 3 + 5 + 3 + 0 + 5 + 450 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13091249889 + 6944055561 = 114417^2 + 83331^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2469445 + ... + 2477544.

Almost surely, 2^20035305450 is an apocalyptic number.

20035305450 is an abundant number, since it is smaller than the sum of its proper divisors (35633173020).

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

20035305450 is a wasteful number, since it uses less digits than its factorization.

20035305450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947013 (or 4946999 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 20035305450 its reverse (5450353002), we get a palindrome (25485658452).

The spelling of 20035305450 in words is "twenty billion, thirty-five million, three hundred five thousand, four hundred fifty".