20626030 has 16 divisors (see below), whose sum is σ = 37293120. Its totient is φ = 8213472.

The previous prime is 20626013. The next prime is 20626037. The reversal of 20626030 is 3062602.

It is a super-2 number, since 2×20626030² = 850866227121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20625989 and 20626007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626037) 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, 2214 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (2330820).

Almost surely, 2^20626030 is an apocalyptic number.

20626030 is a deficient number, since it is larger than the sum of its proper divisors (16667090).

20626030 is a wasteful number, since it uses less digits than its factorization.

20626030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20626030 is about 4541.5889289983. The cubic root of 20626030 is about 274.2448926776.

Adding to 20626030 its reverse (3062602), we get a palindrome (23688632).

The spelling of 20626030 in words is "twenty million, six hundred twenty-six thousand, thirty".