20481052 has 6 divisors (see below), whose sum is σ = 35841848. Its totient is φ = 10240524.

The previous prime is 20481037. The next prime is 20481059. The reversal of 20481052 is 25018402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20481059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560128 + ... + 2560135.

Almost surely, 2^20481052 is an apocalyptic number.

It is an amenable number.

20481052 is a deficient number, since it is larger than the sum of its proper divisors (15360796).

20481052 is a wasteful number, since it uses less digits than its factorization.

20481052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120267 (or 5120265 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20481052 is about 4525.5996287785. The cubic root of 20481052 is about 273.6008360097.

Adding to 20481052 its reverse (25018402), we get a palindrome (45499454).

The spelling of 20481052 in words is "twenty million, four hundred eighty-one thousand, fifty-two".