20270030 has 16 divisors (see below), whose sum is σ = 39803184. Its totient is φ = 7370880.

The previous prime is 20270027. The next prime is 20270039. The reversal of 20270030 is 3007202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20269987 and 20270014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270039) 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, 92027 + ... + 92246.

It is an arithmetic number, because the mean of its divisors is an integer number (2487699).

Almost surely, 2^20270030 is an apocalyptic number.

20270030 is a deficient number, since it is larger than the sum of its proper divisors (19533154).

20270030 is a wasteful number, since it uses less digits than its factorization.

20270030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184291.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 20270030 is about 4502.2250054834. The cubic root of 20270030 is about 272.6579282620.

Adding to 20270030 its reverse (3007202), we get a palindrome (23277232).

The spelling of 20270030 in words is "twenty million, two hundred seventy thousand, thirty".