20833337412 has 72 divisors (see below), whose sum is σ = 55907560800. Its totient is φ = 6518631168.

The previous prime is 20833337389. The next prime is 20833337461. The reversal of 20833337412 is 21473333802.

20833337412 is a `hidden beast` number, since 208 + 3 + 3 + 3 + 37 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187039 + ... + 276857.

It is an arithmetic number, because the mean of its divisors is an integer number (776493900).

Almost surely, 2^20833337412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20833337412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27953780400).

20833337412 is an abundant number, since it is smaller than the sum of its proper divisors (35074223388).

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

20833337412 is a wasteful number, since it uses less digits than its factorization.

20833337412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90225 (or 90220 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 20833337412 in words is "twenty billion, eight hundred thirty-three million, three hundred thirty-seven thousand, four hundred twelve".