20423102200 has 48 divisors (see below), whose sum is σ = 47802465000. Its totient is φ = 8114401920.

The previous prime is 20423102153. The next prime is 20423102209. The reversal of 20423102200 is 220132402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423102209) 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 11 ways as a sum of consecutive naturals, for example, 312870 + ... + 372469.

Almost surely, 2^20423102200 is an apocalyptic number.

20423102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20423102200 is an abundant number, since it is smaller than the sum of its proper divisors (27379362800).

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

20423102200 is a wasteful number, since it uses less digits than its factorization.

20423102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685504 (or 685495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20423102200 its reverse (220132402), we get a palindrome (20643234602).

The spelling of 20423102200 in words is "twenty billion, four hundred twenty-three million, one hundred two thousand, two hundred".