20103126 has 16 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 6660584.

The previous prime is 20103113. The next prime is 20103137. The reversal of 20103126 is 62130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9030 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (2528064).

Almost surely, 2^20103126 is an apocalyptic number.

20103126 is an abundant number, since it is smaller than the sum of its proper divisors (20345898).

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

20103126 is a wasteful number, since it uses less digits than its factorization.

20103126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20103126 is about 4483.6509676825. The cubic root of 20103126 is about 271.9075071185.

Adding to 20103126 its reverse (62130102), we get a palindrome (82233228).

The spelling of 20103126 in words is "twenty million, one hundred three thousand, one hundred twenty-six".