20103774 has 8 divisors (see below), whose sum is σ = 40207560. Its totient is φ = 6701256.

The previous prime is 20103773. The next prime is 20103781. The reversal of 20103774 is 47730102.

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

20103774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675309 + ... + 1675320.

It is an arithmetic number, because the mean of its divisors is an integer number (5025945).

Almost surely, 2^20103774 is an apocalyptic number.

20103774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103774 is a wasteful number, since it uses less digits than its factorization.

20103774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350634.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20103774 is about 4483.7232296385. The cubic root of 20103774 is about 271.9104286239.

Adding to 20103774 its reverse (47730102), we get a palindrome (67833876).

The spelling of 20103774 in words is "twenty million, one hundred three thousand, seven hundred seventy-four".