20313303230 has 32 divisors (see below), whose sum is σ = 42234294240. Its totient is φ = 6952145920.

The previous prime is 20313303223. The next prime is 20313303233. The reversal of 20313303230 is 3230331302.

It is a super-2 number, since 2×20313303230² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313303233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5429495 + ... + 5433234.

It is an arithmetic number, because the mean of its divisors is an integer number (1319821695).

Almost surely, 2^20313303230 is an apocalyptic number.

20313303230 is an abundant number, since it is smaller than the sum of its proper divisors (21920991010).

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

20313303230 is a wasteful number, since it uses less digits than its factorization.

20313303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862764.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20313303230 its reverse (3230331302), we get a palindrome (23543634532).

The spelling of 20313303230 in words is "twenty billion, three hundred thirteen million, three hundred three thousand, two hundred thirty".