20303243010 has 48 divisors (see below), whose sum is σ = 52796333304. Its totient is φ = 5413387776.

The previous prime is 20303242979. The next prime is 20303243011. The reversal of 20303243010 is 1034230302.

20303243010 is a `hidden beast` number, since 203 + 0 + 32 + 430 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5756712129 + 14546530881 = 75873^2 + 120609^2 .

It is a super-2 number, since 2×20303243010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20303243011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813274 + ... + 837866.

Almost surely, 2^20303243010 is an apocalyptic number.

20303243010 is an abundant number, since it is smaller than the sum of its proper divisors (32493090294).

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

20303243010 is a wasteful number, since it uses less digits than its factorization.

20303243010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33779 (or 33776 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20303243010 its reverse (1034230302), we get a palindrome (21337473312).

The spelling of 20303243010 in words is "twenty billion, three hundred three million, two hundred forty-three thousand, ten".