20130352 has 20 divisors (see below), whose sum is σ = 42548616. Its totient is φ = 9150080.

The previous prime is 20130349. The next prime is 20130371. The reversal of 20130352 is 25303102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57013 + ... + 57364.

Almost surely, 2^20130352 is an apocalyptic number.

20130352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130352 is an abundant number, since it is smaller than the sum of its proper divisors (22418264).

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

20130352 is a wasteful number, since it uses less digits than its factorization.

20130352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114396 (or 114390 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20130352 is about 4486.6860821769. The cubic root of 20130352 is about 272.0302013754.

Adding to 20130352 its reverse (25303102), we get a palindrome (45433454).

The spelling of 20130352 in words is "twenty million, one hundred thirty thousand, three hundred fifty-two".