20833331013889 has 16 divisors (see below), whose sum is σ = 21465676149120. Its totient is φ = 20206910247040.

The previous prime is 20833331013853. The next prime is 20833331013917. The reversal of 20833331013889 is 98831013333802.

It is not a de Polignac number, because 20833331013889 - 2⁴¹ = 18634307758337 is a prime.

It is a super-2 number, since 2×20833331013889² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20833331013809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259471452 + ... + 259551730.

It is an arithmetic number, because the mean of its divisors is an integer number (1341604759320).

Almost surely, 2^{20833331013889} is an apocalyptic number.

It is an amenable number.

20833331013889 is a deficient number, since it is larger than the sum of its proper divisors (632345135231).

20833331013889 is a wasteful number, since it uses less digits than its factorization.

20833331013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117080.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 20833331013889 in words is "twenty trillion, eight hundred thirty-three billion, three hundred thirty-one million, thirteen thousand, eight hundred eighty-nine".