20000000200 has 48 divisors (see below), whose sum is σ = 49235302980. Its totient is φ = 7529410560.

The previous prime is 20000000179. The next prime is 20000000201. The reversal of 20000000200 is 200000002.

It can be written as a sum of positive squares in 6 ways, for example, as 13024743876 + 6975256324 = 114126^2 + 83518^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 20000000200.

It is not an unprimeable number, because it can be changed into a prime (20000000201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2937777 + ... + 2944576.

Almost surely, 2^20000000200 is an apocalyptic number.

20000000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000000200 is an abundant number, since it is smaller than the sum of its proper divisors (29235302780).

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

20000000200 is a wasteful number, since it uses less digits than its factorization.

20000000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882386 (or 5882377 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

Adding to 20000000200 its reverse (200000002), we get a palindrome (20200000202).

20000000200 divided by its reverse (200000002) gives a square (100 = 10²).

The spelling of 20000000200 in words is "twenty billion, two hundred", and thus it is an aban number.