20941030 has 32 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 7549920.

The previous prime is 20941009. The next prime is 20941069. The reversal of 20941030 is 3014902.

It is a junction number, because it is equal to n+sod(n) for n = 20940989 and 20941007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (1296000).

Almost surely, 2^20941030 is an apocalyptic number.

20941030 is a deficient number, since it is larger than the sum of its proper divisors (20530970).

20941030 is a wasteful number, since it uses less digits than its factorization.

20941030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20941030 is about 4576.1370171794. The cubic root of 20941030 is about 275.6339314743.

Adding to 20941030 its reverse (3014902), we get a palindrome (23955932).

The spelling of 20941030 in words is "twenty million, nine hundred forty-one thousand, thirty".