20333435420220 has 96 divisors (see below), whose sum is σ = 63290971269120. Its totient is φ = 4843696769280.

The previous prime is 20333435420219. The next prime is 20333435420227. The reversal of 20333435420220 is 2202453433302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333435420227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420435610 + ... + 420483969.

It is an arithmetic number, because the mean of its divisors is an integer number (659280950720).

Almost surely, 2^{20333435420220} is an apocalyptic number.

20333435420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333435420220 is an abundant number, since it is smaller than the sum of its proper divisors (42957535848900).

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

20333435420220 is a wasteful number, since it uses less digits than its factorization.

20333435420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840919635 (or 840919633 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 20333435420220 its reverse (2202453433302), we get a palindrome (22535888853522).

The spelling of 20333435420220 in words is "twenty trillion, three hundred thirty-three billion, four hundred thirty-five million, four hundred twenty thousand, two hundred twenty".