20181052 has 6 divisors (see below), whose sum is σ = 35316848. Its totient is φ = 10090524.

The previous prime is 20181047. The next prime is 20181053. The reversal of 20181052 is 25018102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20181053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522628 + ... + 2522635.

Almost surely, 2^20181052 is an apocalyptic number.

It is an amenable number.

20181052 is a deficient number, since it is larger than the sum of its proper divisors (15135796).

20181052 is a wasteful number, since it uses less digits than its factorization.

20181052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045267 (or 5045265 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 20181052 is about 4492.3325789616. The cubic root of 20181052 is about 272.2583869642.

Adding to 20181052 its reverse (25018102), we get a palindrome (45199154).

The spelling of 20181052 in words is "twenty million, one hundred eighty-one thousand, fifty-two".