20144030 has 16 divisors (see below), whose sum is σ = 36854784. Its totient is φ = 7925280.

The previous prime is 20144027. The next prime is 20144039. The reversal of 20144030 is 3044102.

It is a junction number, because it is equal to n+sod(n) for n = 20143996 and 20144014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15902 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (2303424).

Almost surely, 2^20144030 is an apocalyptic number.

20144030 is a deficient number, since it is larger than the sum of its proper divisors (16710754).

20144030 is a wasteful number, since it uses less digits than its factorization.

20144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33091.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20144030 is about 4488.2101109462. The cubic root of 20144030 is about 272.0917996803.

Adding to 20144030 its reverse (3044102), we get a palindrome (23188132).

The spelling of 20144030 in words is "twenty million, one hundred forty-four thousand, thirty".