20676030 has 16 divisors (see below), whose sum is σ = 49622544. Its totient is φ = 5513600.

The previous prime is 20676017. The next prime is 20676031. The reversal of 20676030 is 3067602.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676031) 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, 344571 + ... + 344630.

It is an arithmetic number, because the mean of its divisors is an integer number (3101409).

Almost surely, 2^20676030 is an apocalyptic number.

20676030 is an abundant number, since it is smaller than the sum of its proper divisors (28946514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20676030 is a wasteful number, since it uses less digits than its factorization.

20676030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689211.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20676030 is about 4547.0902784088. The cubic root of 20676030 is about 274.4663148236.

The spelling of 20676030 in words is "twenty million, six hundred seventy-six thousand, thirty".