20356330200 has 96 divisors (see below), whose sum is σ = 66425956800. Its totient is φ = 5142648960.

The previous prime is 20356330199. The next prime is 20356330201. The reversal of 20356330200 is 203365302.

It is an interprime number because it is at equal distance from previous prime (20356330199) and next prime (20356330201).

It is a super-2 number, since 2×20356330200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20356330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 881422 + ... + 904221.

It is an arithmetic number, because the mean of its divisors is an integer number (691937050).

Almost surely, 2^20356330200 is an apocalyptic number.

20356330200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20356330200 is an abundant number, since it is smaller than the sum of its proper divisors (46069626600).

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

20356330200 is a wasteful number, since it uses less digits than its factorization.

20356330200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785681 (or 1785672 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 20356330200 its reverse (203365302), we get a palindrome (20559695502).

The spelling of 20356330200 in words is "twenty billion, three hundred fifty-six million, three hundred thirty thousand, two hundred".