20929119 has 8 divisors (see below), whose sum is σ = 28182192. Its totient is φ = 13814400.

The previous prime is 20929109. The next prime is 20929121. The reversal of 20929119 is 91192902.

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

It is not a de Polignac number, because 20929119 - 2¹³ = 20920927 is a prime.

It is a super-2 number, since 2×20929119² = 876056044232322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20929119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20929109) 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 7 ways as a sum of consecutive naturals, for example, 34234 + ... + 34839.

It is an arithmetic number, because the mean of its divisors is an integer number (3522774).

Almost surely, 2^20929119 is an apocalyptic number.

20929119 is a deficient number, since it is larger than the sum of its proper divisors (7253073).

20929119 is a wasteful number, since it uses less digits than its factorization.

20929119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69177.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 20929119 is about 4574.8354068753. The cubic root of 20929119 is about 275.5816625010.

It can be divided in two parts, 2092 and 9119, that added together give a palindrome (11211).

The spelling of 20929119 in words is "twenty million, nine hundred twenty-nine thousand, one hundred nineteen".