20323033100 has 36 divisors (see below), whose sum is σ = 44140706064. Its totient is φ = 8121890880.

The previous prime is 20323033091. The next prime is 20323033127. The reversal of 20323033100 is 133032302.

It is a super-2 number, since 2×20323033100² (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 11 ways as a sum of consecutive naturals, for example, 20729 + ... + 202671.

It is an arithmetic number, because the mean of its divisors is an integer number (1226130724).

Almost surely, 2^20323033100 is an apocalyptic number.

20323033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323033100 is an abundant number, since it is smaller than the sum of its proper divisors (23817672964).

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

20323033100 is a wasteful number, since it uses less digits than its factorization.

20323033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183074 (or 183067 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20323033100 its reverse (133032302), we get a palindrome (20456065402).

The spelling of 20323033100 in words is "twenty billion, three hundred twenty-three million, thirty-three thousand, one hundred".