20130796 has 24 divisors (see below), whose sum is σ = 42013440. Its totient is φ = 8252112.

The previous prime is 20130791. The next prime is 20130797. The reversal of 20130796 is 69703102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (20130791) 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, 14986 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (1750560).

Almost surely, 2^20130796 is an apocalyptic number.

It is an amenable number.

20130796 is an abundant number, since it is smaller than the sum of its proper divisors (21882644).

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

20130796 is a wasteful number, since it uses less digits than its factorization.

20130796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31293 (or 31291 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 20130796 is about 4486.7355616305. The cubic root of 20130796 is about 272.0322013491.

Adding to 20130796 its reverse (69703102), we get a palindrome (89833898).

It can be divided in two parts, 20 and 130796, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 20130796 in words is "twenty million, one hundred thirty thousand, seven hundred ninety-six".