20601030 has 64 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 5300736.

The previous prime is 20601029. The next prime is 20601037. The reversal of 20601030 is 3010602.

It is a junction number, because it is equal to n+sod(n) for n = 20600997 and 20601015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182254 + ... + 182366.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^20601030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20601030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25608960).

20601030 is an abundant number, since it is smaller than the sum of its proper divisors (30616890).

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

20601030 is a wasteful number, since it uses less digits than its factorization.

20601030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20601030 is about 4538.8357538030. The cubic root of 20601030 is about 274.1340473978.

Adding to 20601030 its reverse (3010602), we get a palindrome (23611632).

The spelling of 20601030 in words is "twenty million, six hundred one thousand, thirty".