20126030 has 16 divisors (see below), whose sum is σ = 36283680. Its totient is φ = 8037792.

The previous prime is 20126017. The next prime is 20126033. The reversal of 20126030 is 3062102.

It is a junction number, because it is equal to n+sod(n) for n = 20125996 and 20126014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126033) 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, 7736 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (2267730).

Almost surely, 2^20126030 is an apocalyptic number.

20126030 is a deficient number, since it is larger than the sum of its proper divisors (16157650).

20126030 is a wasteful number, since it uses less digits than its factorization.

20126030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20126030 is about 4486.2044090746. The cubic root of 20126030 is about 272.0107316268.

Adding to 20126030 its reverse (3062102), we get a palindrome (23188132).

The spelling of 20126030 in words is "twenty million, one hundred twenty-six thousand, thirty".