20135030 has 16 divisors (see below), whose sum is σ = 37223280. Its totient is φ = 7836192.

The previous prime is 20135009. The next prime is 20135039. The reversal of 20135030 is 3053102.

It is a junction number, because it is equal to n+sod(n) for n = 20134996 and 20135014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135039) 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, 26840 + ... + 27579.

It is an arithmetic number, because the mean of its divisors is an integer number (2326455).

Almost surely, 2^20135030 is an apocalyptic number.

20135030 is a deficient number, since it is larger than the sum of its proper divisors (17088250).

20135030 is a wasteful number, since it uses less digits than its factorization.

20135030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54463.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 20135030 is about 4487.2073720745. The cubic root of 20135030 is about 272.0512716929.

Adding to 20135030 its reverse (3053102), we get a palindrome (23188132).

The spelling of 20135030 in words is "twenty million, one hundred thirty-five thousand, thirty".