20833540870 has 8 divisors (see below), whose sum is σ = 37500373584. Its totient is φ = 8333416344.

The previous prime is 20833540837. The next prime is 20833540873. The reversal of 20833540870 is 7804533802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833540873) 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 3 ways as a sum of consecutive naturals, for example, 1041677034 + ... + 1041677053.

It is an arithmetic number, because the mean of its divisors is an integer number (4687546698).

Almost surely, 2^20833540870 is an apocalyptic number.

20833540870 is a deficient number, since it is larger than the sum of its proper divisors (16666832714).

20833540870 is a wasteful number, since it uses less digits than its factorization.

20833540870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083354094.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20833540870 in words is "twenty billion, eight hundred thirty-three million, five hundred forty thousand, eight hundred seventy".