20033353340 has 96 divisors (see below), whose sum is σ = 56485707264. Its totient is φ = 5763836160.

The previous prime is 20033353331. The next prime is 20033353343. The reversal of 20033353340 is 4335333002.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033353343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480314 + ... + 520353.

It is an arithmetic number, because the mean of its divisors is an integer number (588392784).

Almost surely, 2^20033353340 is an apocalyptic number.

20033353340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033353340 is an abundant number, since it is smaller than the sum of its proper divisors (36452353924).

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

20033353340 is a wasteful number, since it uses less digits than its factorization.

20033353340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000707 (or 1000705 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 26.

Adding to 20033353340 its reverse (4335333002), we get a palindrome (24368686342).

It can be divided in two parts, 20033 and 353340, that added together give a palindrome (373373).

The spelling of 20033353340 in words is "twenty billion, thirty-three million, three hundred fifty-three thousand, three hundred forty".