20833335420 has 48 divisors (see below), whose sum is σ = 59322049920. Its totient is φ = 5461393216.

The previous prime is 20833335379. The next prime is 20833335427. The reversal of 20833335420 is 2453333802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833335427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939022 + ... + 2946101.

It is an arithmetic number, because the mean of its divisors is an integer number (1235876040).

Almost surely, 2^20833335420 is an apocalyptic number.

20833335420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20833335420 is an abundant number, since it is smaller than the sum of its proper divisors (38488714500).

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

20833335420 is a wasteful number, since it uses less digits than its factorization.

20833335420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885194 (or 5885192 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 20833335420 in words is "twenty billion, eight hundred thirty-three million, three hundred thirty-five thousand, four hundred twenty".