20001142200 has 96 divisors (see below), whose sum is σ = 66773070000. Its totient is φ = 4923356160.

The previous prime is 20001142169. The next prime is 20001142201. The reversal of 20001142200 is 224110002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001142201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274325 + ... + 1289924.

Almost surely, 2^20001142200 is an apocalyptic number.

20001142200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001142200 is an abundant number, since it is smaller than the sum of its proper divisors (46771927800).

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

20001142200 is a wasteful number, since it uses less digits than its factorization.

20001142200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564281 (or 2564272 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20001142200 its reverse (224110002), we get a palindrome (20225252202).

The spelling of 20001142200 in words is "twenty billion, one million, one hundred forty-two thousand, two hundred".