20010472 has 16 divisors (see below), whose sum is σ = 37713060. Its totient is φ = 9953664.

The previous prime is 20010467. The next prime is 20010481. The reversal of 20010472 is 27401002.

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 527076 = 4414^2 + 726^2 .

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, 4773 + ... + 7924.

Almost surely, 2^20010472 is an apocalyptic number.

It is an amenable number.

20010472 is a deficient number, since it is larger than the sum of its proper divisors (17702588).

20010472 is a wasteful number, since it uses less digits than its factorization.

20010472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900 (or 12896 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20010472 is about 4473.3066069743. The cubic root of 20010472 is about 271.4891290287.

Adding to 20010472 its reverse (27401002), we get a palindrome (47411474).

The spelling of 20010472 in words is "twenty million, ten thousand, four hundred seventy-two".