20934038 has 16 divisors (see below), whose sum is σ = 33449760. Its totient is φ = 9791616.

The previous prime is 20934037. The next prime is 20934049. The reversal of 20934038 is 83043902.

It is a self number, because there is not a number n which added to its sum of digits gives 20934038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20934031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 7661.

It is an arithmetic number, because the mean of its divisors is an integer number (2090610).

Almost surely, 2^20934038 is an apocalyptic number.

20934038 is a deficient number, since it is larger than the sum of its proper divisors (12515722).

20934038 is a wasteful number, since it uses less digits than its factorization.

20934038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20934038 is about 4575.3729902599. The cubic root of 20934038 is about 275.6032509238.

The spelling of 20934038 in words is "twenty million, nine hundred thirty-four thousand, thirty-eight".