20461852 has 12 divisors (see below), whose sum is σ = 35880376. Its totient is φ = 10210320.

The previous prime is 20461843. The next prime is 20461853. The reversal of 20461852 is 25816402.

It is a self number, because there is not a number n which added to its sum of digits gives 20461852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799 + ... + 6982.

Almost surely, 2^20461852 is an apocalyptic number.

It is an amenable number.

20461852 is a deficient number, since it is larger than the sum of its proper divisors (15418524).

20461852 is a wasteful number, since it uses less digits than its factorization.

20461852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308 (or 10306 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20461852 is about 4523.4778655366. The cubic root of 20461852 is about 273.5153134101.

The spelling of 20461852 in words is "twenty million, four hundred sixty-one thousand, eight hundred fifty-two".