20934069 has 8 divisors (see below), whose sum is σ = 30059232. Its totient is φ = 12882480.

The previous prime is 20934061. The next prime is 20934073. The reversal of 20934069 is 96043902.

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

It is not a de Polignac number, because 20934069 - 2³ = 20934061 is a prime.

It is a super-2 number, since 2×20934069² = 876470489793522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20934061) 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, 268347 + ... + 268424.

It is an arithmetic number, because the mean of its divisors is an integer number (3757404).

Almost surely, 2^20934069 is an apocalyptic number.

It is an amenable number.

20934069 is a deficient number, since it is larger than the sum of its proper divisors (9125163).

20934069 is a wasteful number, since it uses less digits than its factorization.

20934069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536787.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 20934069 is about 4575.3763779606. The cubic root of 20934069 is about 275.6033869653.

The spelling of 20934069 in words is "twenty million, nine hundred thirty-four thousand, sixty-nine".