20563003060 has 24 divisors (see below), whose sum is σ = 44235535176. Its totient is φ = 8024586240.

The previous prime is 20563003057. The next prime is 20563003063. The reversal of 20563003060 is 6030036502.

It is an interprime number because it is at equal distance from previous prime (20563003057) and next prime (20563003063).

It can be written as a sum of positive squares in 4 ways, for example, as 37283236 + 20525719824 = 6106^2 + 143268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20563003063) 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, 12537597 + ... + 12539236.

It is an arithmetic number, because the mean of its divisors is an integer number (1843147299).

Almost surely, 2^20563003060 is an apocalyptic number.

20563003060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20563003060 is an abundant number, since it is smaller than the sum of its proper divisors (23672532116).

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

20563003060 is a wasteful number, since it uses less digits than its factorization.

20563003060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25076883 (or 25076881 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20563003060 its reverse (6030036502), we get a palindrome (26593039562).

The spelling of 20563003060 in words is "twenty billion, five hundred sixty-three million, three thousand, sixty".