20052812 has 12 divisors (see below), whose sum is σ = 37791936. Its totient is φ = 9255120.

The previous prime is 20052811. The next prime is 20052821. The reversal of 20052812 is 21825002.

It is not an unprimeable number, because it can be changed into a prime (20052811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192764 + ... + 192867.

It is an arithmetic number, because the mean of its divisors is an integer number (3149328).

Almost surely, 2^20052812 is an apocalyptic number.

It is an amenable number.

20052812 is a deficient number, since it is larger than the sum of its proper divisors (17739124).

20052812 is a wasteful number, since it uses less digits than its factorization.

20052812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385648 (or 385646 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 20052812 is about 4478.0366233429. The cubic root of 20052812 is about 271.6804747060.

Adding to 20052812 its reverse (21825002), we get a palindrome (41877814).

The spelling of 20052812 in words is "twenty million, fifty-two thousand, eight hundred twelve".