20412130 has 16 divisors (see below), whose sum is σ = 36879480. Its totient is φ = 8134272.

The previous prime is 20412113. The next prime is 20412149. The reversal of 20412130 is 3121402.

It can be written as a sum of positive squares in 4 ways, for example, as 17464041 + 2948089 = 4179^2 + 1717^2 .

It is a super-2 number, since 2×20412130² = 833310102273800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20412130.

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, 915 + ... + 6454.

Almost surely, 2^20412130 is an apocalyptic number.

20412130 is a deficient number, since it is larger than the sum of its proper divisors (16467350).

20412130 is a wasteful number, since it uses less digits than its factorization.

20412130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20412130 is about 4517.9785302721. The cubic root of 20412130 is about 273.2935876507.

Adding to 20412130 its reverse (3121402), we get a palindrome (23533532).

The spelling of 20412130 in words is "twenty million, four hundred twelve thousand, one hundred thirty".