20302233100 has 18 divisors (see below), whose sum is σ = 44055846044. Its totient is φ = 8120893200.

The previous prime is 20302233089. The next prime is 20302233121. The reversal of 20302233100 is 133220302.

It is a super-2 number, since 2×20302233100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101511066 + ... + 101511265.

Almost surely, 2^20302233100 is an apocalyptic number.

20302233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302233100 is an abundant number, since it is smaller than the sum of its proper divisors (23753612944).

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

20302233100 is a wasteful number, since it uses less digits than its factorization.

20302233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203022345 (or 203022338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20302233100 its reverse (133220302), we get a palindrome (20435453402).

The spelling of 20302233100 in words is "twenty billion, three hundred two million, two hundred thirty-three thousand, one hundred".