20193038 has 4 divisors (see below), whose sum is σ = 30289560. Its totient is φ = 10096518.

The previous prime is 20193037. The next prime is 20193073. The reversal of 20193038 is 83039102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20192998 and 20193016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20193037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048258 + ... + 5048261.

It is an arithmetic number, because the mean of its divisors is an integer number (7572390).

Almost surely, 2^20193038 is an apocalyptic number.

20193038 is a deficient number, since it is larger than the sum of its proper divisors (10096522).

20193038 is a wasteful number, since it uses less digits than its factorization.

20193038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096521.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20193038 is about 4493.6664317682. Note that the first 3 decimals coincide. The cubic root of 20193038 is about 272.3122765102.

It can be divided in two parts, 201 and 93038, that added together give a palindrome (93239).

The spelling of 20193038 in words is "twenty million, one hundred ninety-three thousand, thirty-eight".